Pope, near abdication, says pray "for me and next pope"

VATICAN CITY (Reuters) - Pope Benedict asked the faithful to pray for him and for the next pope, in his penultimate Sunday address to a crowded St. Peter's Square before becoming the first pontiff in centuries to resign.

The crowd chanted "Long live the pope!," waved banners and broke into sustained applause as he spoke from his window. The 85-year-old Benedict, who will abdicate on February 28, thanked them in several languages.

Speaking in Spanish, he told the crowd which the Vatican said numbered more than 50,000: "I beg you to continue praying for me and for the next pope".

It was not clear why the pope chose Spanish to make the only specific reference to his upcoming resignation in his Sunday address.

A number of cardinals have said they would be open to the possibility of a pope from the developing world, be it Latin America, Africa or Asia, as opposed to another from Europe, where the Church is crisis and polarized.

"I can imagine taking a step towards a black pope, an African pope or a Latin American pope," Cardinal Kurt Koch, a Swiss Vatican official who will enter the conclave to choose the next pope, told Reuters in an interview.

After his address, the pope retired into the Vatican's Apostolic Palace for a scheduled, week-long spiritual retreat and will not make any more public appearances until next Sunday.

Speaking in Italian in part of his address about Lent, the period when Christians reflect on their failings and seek guidance in prayer, the pope spoke of the difficulty of making important decisions.

"In decisive moments of life, or, on closer inspection, at every moment in life, we are at a crossroads: do we want to follow the ‘I', or God? The individual interest, or the real good, that which is really good?" he said.

FOR THE GOOD OF THE CHURCH

The pope has said his physical and spiritual forces are no longer strong enough to sustain him in the job of leading the world's 1.2 billion Roman Catholics at a time of crisis for the Church in a fast-changing world.

Benedict's papacy was rocked by crises over the sex abuse of children by priests in Europe and the United States, most of which preceded his time in office but came to light during it.

His reign also saw Muslim anger after he compared Islam to violence. Jews were upset over his rehabilitation of a Holocaust denier. During a scandal over the Church's business dealings, his butler was convicted of leaking his private papers.

Since his shock announcement last Monday, the pope has said several times that he made the difficult decision to become the first pope in more than six centuries to resign for the good of the Church. Aides said he was at peace with himself.

"In a funny way he is even more peaceful now with this decision, unlike the rest of us, he is not somebody who gets choked up really easily," said Greg Burke, a senior media advisor to the Vatican.

"I think that has a lot to do with his spiritual life and who he is and the fact he is such a prayerful man," Burke told Reuters Television.

People in the crowd said the pope was a shadow of the man he was when elected on April 19, 2005.

"Like always, recently, he seemed tired, moved, perplexed, uncertain and insecure," said Stefan Malabar, an Italian in St. Peter's Square.

"It's something that really has an effect on you because the pope should be a strong and authoritative figure but instead he seems very weak, and that really struck me," he said.

The Vatican has said the conclave to choose his successor could start earlier than originally expected, giving the Roman Catholic Church a new leader by mid-March.

Some 117 cardinals under the age of 80 will be eligible to enter the secretive conclave which, according to Church rules, has to start between 15 and 20 days after the papacy becomes vacant, which it will on February 28.

But since the Church is now dealing with an announced resignation and not a sudden death, Vatican spokesman Federico Lombardi said the Vatican would be "interpreting" the law to see if it could start earlier.

CONSULTATIONS BEGUN

Cardinals around the world have already begun informal consultations by phone and email to construct a profile of the man they think would be best suited to lead the Church in a period of continuing crisis.

The Vatican appears to be aiming to have a new pope elected and then formally installed before Palm Sunday on March 24 so he can preside at Holy Week services leading to Easter.

New details emerged at the weekend about Benedict's health.

Peter Seewald, a German journalist who wrote a book with the pope in 2010 in which Benedict first floated the possibility of resigning, visited him again about 10 weeks ago.

"His hearing had deteriorated. He couldn't see with his left eye. His body had become so thin that the tailors had difficulty in keeping up with newly fitted clothes ... I'd never seen him so exhausted-looking, so worn down," Seewald said.

The pope will say one more Sunday noon prayer on February 24 and hold a final general audience on February 27.

The next day he will take a helicopter to the papal summer retreat at Castel Gandolfo, south of Rome, where he will stay for around two months before moving to a convent inside the Vatican where he will live out his remaining years.

(Additional reporting by Hanna Rantala; Editing by Robin Pomeroy)

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Football: Coutinho shines on debut as Liverpool rout Swansea

LIVERPOOL: Liverpool ended a winless run of five games in impressive fashion on Sunday as they whipped an under-strength Swansea 5-0 in their Premier League clash.

Victory saw Liverpool leapfrog Swansea into seventh spot and give former Swans manager Brendan Rodgers something to smile about at the end of a week that saw defeats by West Brom and then Zenit St Petersburg in the Europa League.

A penalty from Steven Gerrard got them on their way and three goals early in the second-half from impressive debutant Philippe Coutinho, Jose Enrique and Luis Suarez wrapped up the points against a side seemingly distracted by the League Cup final with Bradford next Sunday.

Daniel Sturridge, who like Coutinho missed the Europa League match, added a fifth from the penalty spot.

Swansea manager Michael Laudrup was made to regret sending out a starting line-up shorn of several first choice players, including leading scorer Michu, preferring to give the 15-goal Spaniard time on the bench.

Rodgers was delighted with the reaction of his players to the poor results in the week.

"It was a brilliant performance and the players' attitude was tremendous. It was important to get a clean sheet today," said the Northern Irishman.

"It's always been the case at Swansea that you can change players and still be strong."

Laudrup for his part apologised to the fans who had made the trip and said the players on the pitch should have performed better.

"I wanted to leave a few out but that's not an excuse, we could have lost 10-0," he said.

"We are all to blame, starting with me and the players. You can't play like that. It wasn't what we wanted in the build-up to the final but now we have to get back on the horse."

Liverpool, who in three previous Premier League meetings with Swansea had failed to score, made all the running from the kick-off with Suarez looking particularly sharp.

However, he should have done better after Sturridge had done all the work in beating two defenders and then goalkeeper Michel Vorm before going to ground, but with the goal at his mercy the Uruguayan put the ball wide.

Liverpool's appeals for a penalty for a foul on Sturridge fell on deaf ears.

However, the hosts did get a penalty in the 34th minute as Suarez was needlessly pushed by Kemy Agustien and Gerrard, who had missed a penalty in the defeat by West Brom last Monday, made no mistake from the spot.

The hosts doubled their lead almost immediately from the second-half kick-off as Coutinho, taking advantage of the Swansea defence not going in for the tackle, saw his shot go under Vorm and into the net.

The hosts added a glorious third in the 50th minute as Luis Enrique finished off a beautiful passing move involving Coutinho, Suarez and Sturridge.

Swansea had completely capitulated and Suarez added a fourth six minutes later with a brilliant individual effort and soon after Rodgers decided Coutinho had done more than enough on his debut and took him off.

Sturridge was also a vibrant presence and Vorm had to be at his best to keep out a stinging effort but he deservedly did get his name on the scoresheet with a penalty in the 71st minute awarded for a handball by Wayne Routledge.

The hosts were reduced to 10 men for the last 10 minutes of the match, not that it mattered much to the outcome, after Fabio Borini, who had just come on as a substitute, was taken off in agony with what looked like a dislocated shoulder.

"He will probably be out for the season. It looks like he has dislocated his shoulder. It's a big blow for us," Rodgers said.

-AFP/ac

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Irish hospital's doctors failed to treat Savita Halappanavar, leaked death probe report says

LONDON: Indian dentist Savita Halappanavar died as a result of a litany of failures by hospital staff, a leaked draft of a probe report said, proving her family's claim that her death was avoidable.

The report by Ireland's health ministry revealed that doctors caring for the 31-year-old dentist seriously failed to investigate, recognize and treat the infection which led to her death.

Savita died at Galway University Hospital last October 28 after she was admitted to the hospital on October 21 with severe backpain. She was 17-weeks pregnant and was found to be miscarrying.

An autopsy found she had died of septicaemia. The leaked health service executive (HSE) report published by Independent newspaper "proves" her family's claim that her death was avoidable as she had asked for an abortion several times before she died.

Doctors had said their "hands were tied" due to Ireland's strict anti-abortion laws as they could still detect a foetal heartbeat.

According to the leaked document, extracts of which were reported by the Irish media, the infection which led to Savita's death was not diagnosed for three days and that staff should have considered performing an abortion even before the patient asked for it.

Other failures included tests showing possible blood infection not being followed up by staff and general lack of clarity as her condition grew progressively worse.

Her husband, Praveen Halappanvar said he was in no "condition to make any statement. The family is shocked about the report being leaked".

His solicitor, Gerard O'Donnell said it is essential that he is given an opportunity to ensure there were no inaccuracies in the report on his wife's death at Galway University Hospital last year and demanded a copy of the HSE report before it is finalized.

"Here he is listening to the report into his wife's death being bandied about on the public airwaves and he hadn't even had a chance to look at it ... It is very insensitive that this happened to say the least ... However, from what has been reported as being taken from extracts from the draft report, it looks like what Praveen has said will be borne out. If what have been published really are extracts, then they appear to be accurate," he said.

Irish minister for health, James Reilly, has offered to provide Praveen with the final report before it is published but O'Donnell said that would be too late.

The HSE inquiry into the Indian national's death was established in November 2012 under the chairmanship of Prof Sir Sabaratnam Arulkumaran, head of obstetrics and gynaecology at St George's Hospital, University of London, who is expected to present its official findings by the end of this month.

The inquiry team at first included three staff members from the hospital in Galway but they were later removed and replaced following objections by Praveen.

The latest leaked draft report is dated December 27 and is the second major leak since a revelation last month that medical records confirmed Savita had requested a termination.

The full inquest into Savita's death is expected to begin on April 8 at Galway Courthouse but it may be delayed as requests for key documents from the HSE on behalf of Savita's husband have allegedly been ignored.

The case has re-ignited the debate around the Republic of Ireland's stringent anti-abortion laws and the country's Fine Gael-Labour coalition has said it would bring in legislation and regulation on the issue by the middle of this year.

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UN warns risk of hepatitis E in S. Sudan grows

GENEVA (AP) — The United Nations says an outbreak of hepatitis E has killed 111 refugees in camps in South Sudan since July, and has become endemic in the region.

U.N. refugee agency spokesman Adrian Edwards says the influx of people to the camps from neighboring Sudan is believed to be one of the factors in the rapid spread of the contagious, life-threatening inflammatory viral disease of the liver.

Edwards said Friday that the camps have been hit by 6,017 cases of hepatitis E, which is spread through contaminated food and water.

He says the largest number of cases and suspected cases is in the Yusuf Batil camp in Upper Nile state, which houses 37,229 refugees fleeing fighting between rebels and the Sudanese government.

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Uncle: Pistorius Is 'Numb With Shock as Well as Grief'

Oscar Pistorius is "numb with shock as well as grief" his uncle told reporters Saturday as the Olympian amputee spent his second night behind bars in a South African jail for the allegedly killing his model girlfriend Reeva Steenkamp.

"All of us saw at firsthand how close [Steenkamp] had become to Oscar during that time and how happy they were," he said. "They had plans together and Oscar was happier in his private life than he had been for a long time," said Pistorius' uncle Arnold Pistorius.

The 26-year-old athlete, known as the "blade runner" because of the carbon-fiber blades he runs on, was charged Friday with premeditated murder.

Pistorius' family is "battling to come to terms with Oscar being charged with murder," Arnold Pistorius said, and still believe "there is no substance to the allegation."

Oscar Pistorius is suspected of shooting Steenkamp, 29, four times with a handgun early Thursday morning at his home in a gated community in Pretoria.

PHOTOS: Paralympic Champion Charged with Murder

Prosecutors dismissed the reports that Pistorious mistook her for an intruder.

If convicted, Pistorius could face at least 25 years in jail.

According to South African newspaper Beeld, Steenkamp was killed nearly two hours after police were called to Pistorius' home to respond to reports of an argument at the complex.

Police said they have responded to disputes at the sprinter's residence before, but did not say whether or not Steenkamp was involved.

Adrian Dennis/AFP/Getty Images; Mike Holmes/The Herald/Gallo Images/Getty Images

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A memorial service for Steenkamp will be held in Port Elizabeth on Tuesday evening, reported SABC. Her body will be flown back for the service before being cremated, her family said.

"Her future has been cut short...I dare say she's with the angels," said Mike Steenkamp, Reeva Steenkamp's uncle.

Producers of the South African reality show Steenkamp competed in said the series will still premiere Saturday night on SABC as planned, but will now include a special tribute to the slain law school graduate whose modeling career was starting to take off.

RELATED: Reeva Steenkamp, Oscar Pistorius Girlfriend, Saw Self as 'Brainy, Blonde, Bombshell'

"This is the only time that you see the real Reeva," executive producer and director of "Tropka Island of Treasure" Samantha Moon told "Good Morning America." "She was kind and sweet and?so hard working.

"They will see the girl that we loved."

Meanwhile, the sprinter's sponsors ? including Nike, BT, Theirry Mugler, Oakley and Ossur, the Icelandic company that manufactures the prosthetic blades Pistorius races on ? are acting cautiously as the athlete awaits his bail hearing on Tuesday.

M-Net movies, a subscription-funded South African television channel has already pulled their ad campaign featuring Pistorius, tweeting, "Out of respect & sympathy to the bereaved, M-Net will be pulling its entire Oscar campaign featuring Oscar Pistorius with immediate effect."

Nike, who's ad featuring the double-amputee reads "I am the bullet in the chamber," released a statement saying the company is "continuing the monitor the situation closely."

Still, the athlete's' friends and colleagues said the murder charges have yet to sink in.

"When I heard, I was in shock and I'm just still trying to process it," Jamaican gold medal sprinter Usain Bolt told the Associated Press Friday night after the NBA All-Star celebrity game in Houston, Tex.

"I would just like to say, I have dated Oscar on and off for 5 YEARS, NOT ONCE has he EVER lifted a finger to me, made me fear for my life," his ex-girlfriend Jenna Edkins tweeted on Friday.

ABC News' Colleen Curry contributed to this report.

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NATO air strikes for Afghan security forces must end: Karzai

KABUL (Reuters) - Afghan security forces will be banned from calling for NATO air strikes in residential areas to help in their operations, President Hamid Karzai said on Saturday, three days after 10 civilians died in such a strike in the country's east.

NATO air strikes and civilian casualties have become a significant stress point in the relationship between Karzai and his international backers. The issue threatens to further destabilize a precarious international withdrawal, to be completed by the end of 2014.

Addressing a conference at Kabul's National Military Academy, Karzai expressed his anger about the strike and said he would issue a decree on Sunday preventing any resort to such measures by his forces.

"Tomorrow, I will issue an decree stating that under no conditions can Afghan forces request foreign air strikes on Afghan homes or Afghan villages during operations," Karzai told more than 1,000 officers, commandos and students.

If issued, such a decree would for the first time bar Afghan security forces from relying on NATO air strikes, and increase pressure on them as they increasingly assume control of security from international forces.

NATO and its partners are racing against the clock to train Afghanistan's 350,000-strong security forces, though questions remain over how they well the Afghans will be able to tackle the insurgency in the face of intensifying violence.

On Wednesday, a NATO air strike -- requested during an operation in eastern Kunar province involving Afghan and American troops targeting Taliban fighters linked to al Qaeda -- struck two houses in a village in the Shultan valley.

The strike killed 10 people, including five children and four women. Four Taliban fighters, who had links to al Qaeda, according to Afghan officials, were also killed.

STRIKES CRITICAL IN DIFFICULT AREAS

Foreign air power is crucial for Afghan forces, particularly in areas like Kunar and Nuristan, which are covered with forests and rough terrain, making ground operations difficult.

Nuristan and Kunar also share a long, porous borders with lawless areas inside Pakistan, known to be home to foreign fighters and al Qaeda members.

Karzai said he had been told that the air strike was requested by the Afghan spy agency, the National Directorate of Security (NDS).

"If this is true, it is very regrettable and it is very shameful. How could they ask foreigners to send planes and bomb our own houses?" he said.

According to Kunar officials one of the dead insurgents was identified as a Pakistani citizen and Taliban leader named Rocketi. A second was identified as a Taliban commander called Shahpour.

A spokesman for NATO's International Security Assistance Force (ISAF) said there would be no comment on any presidential decree until it was actually issued.

In June last year, following the deaths of 18 civilians in a NATO air strike in the country's east, the ISAF commander at the time, General John Allen, issued a directive restricting their use against insurgents "within civilian dwellings".

In a meeting with ISAF Commander General Joseph Dunford following Wednesday's bombing, Karzai stressed Allen's 2012 directive and said such attacks must never recur.

Tensions have risen between Karzai and his foreign backers since his comments in October that the United States and its allies should target supporters of terrorism in Pakistan and stop fighting their war in Afghan villages.

The ISAF says it has reduced civilian casualties in recent years, and that insurgents such as the Taliban are now responsible for 84 per cent of all such deaths and injuries.

(Additional Reporting by Mohammad Anwar and Hamid Shalizi; Writing by Dylan Welch; Editing by Ron Popeski)

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G20 'determined' to halt cooperate tax avoidance

MOSCOW: The G20 group of the world's top economies expressed determination Saturday to crack down on companies who duck their full taxation responsibilities with elaborate schemes.

The call came after the finance ministers of Britain, France and Germany said it was time for coordinated action to halt the practice of shifting profits from a firm's home country to pay less tax under another jurisdiction.

Cash-strapped governments are seeking to use every means to inject new funds into their budgets and have run out of patience with big firms shifting profits to be registered in tax havens like the British Virgin Islands and Bermuda.

"We are determined to develop measures to address base erosion and profit shifting" the G20 said in a communique after a two-day meeting of finance ministers and central bankers in Moscow.

They vowed to "take the necessary collective action" and awaited an action plan which is set to be put forward later this year by the Organisation for Cooperation and Economic Development (OECD).

Online retailer Amazon, Internet giant Google as well as coffee shop chain Starbucks have been under the spotlight for their tax strategies in Britain and other EU countries in recent months.

Starbucks came under particular pressure in Britain following the revelation last year that it has paid just £8.6 million ($13.8 million) in British corporation tax since 1998, despite generating £3 billion in revenues. It has now pledged to voluntarily pay back millions in extra tax.

"We are talking about something that is fundamentally legal. We need to modify the law," admitted the OECD secretary general Angel Gurria. "Avoiding double taxation has become a way of having double non-taxation."

In a rare joint news conference, the finance ministers George Osborne of Britain, France's Pierre Moscovici and Germany's Wolfgang Schaeuble said while such tax avoidance was still technically legal, laws needed to be changed in a broad global effort.

Schaeuble said it was "unfair that multinational companies should be able to use globalisation as a tool" not to pay their fair share of taxes while Moscovici described the issue as a "matter of fairness for our citizens".

Osborne said that current global tax rules had been developed almost 100 years ago -- along principles set out by the League of Nations in the 1920s -- and few changes had been made since.

"We want businesses to pay the taxes that we set in our countries. And this cannot be achieved by one country alone. No one country can create an international tax system by itself."

The ministers emphasised that their proposal was supported by the Russian presidency of the G20.

A person familiar with the OECD's report said it was essential to move rapidly, especially with the United States apparently not sharing Europe's wholehearted enthusiasm for the anti-tax avoidance drive.

"The timetable is going to be very tight -- otherwise the (OECD) report will be buried," the person said.

According to the OECD, some multinational companies use avoidance strategies that allow them to pay just five percent in corporate taxes while smaller businesses are paying 30 percent.

It says that practices have become more aggressive in the past decade, with some multinationals creating offshore subsidiaries or shell companies and taking advantage of the tax breaks offered in the countries where these are registered.

This has led to absurdities like the tax havens of Barbados, Bermuda and the British Virgin Islands in 2010 together receiving together more foreign direct investment than either Germany or Japan, the OECD said.

In 2010, the creation of offshores meant the British Virgin Islands was the second largest investor in China, it noted.

- AFP/fa

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India returns Pakistan soldier's body

JAMMU/NEW DELHI: The Army on Friday returned the body of a Pakistani soldier, who was killed after he had intruded into Indian territory near Laam post along the Line of Control (LoC) in Jammu & Kashmir's Rajouri district a day earlier.

This comes a month after the beheading of an Indian soldier following a cross-LoC raid plunged relations between the two countries into their worst crisis since 2008. The beheading followed clashes elsewhere along the de facto border between the two countries and killings on both sides.

In New Delhi, a defence spokesman said the body was handed back along the same sector after Pakistan Director General Military Operations made an unscheduled call to his Indian counterpart requesting the body be returned.

He said two Indian jawans were wounded after the infiltrator fired on them after a patrol asked him to surrender. "In the ensuing encounter the infiltrator was killed and one AK-56 rifle along with some other warlike stores recovered. The body of the deceased was later handed over to the J&K Police...,'' he said.

Sources in Jammu identified the soldier as Mohammad Ikhlaq of Pakistan's army's 60 Punjab and said the Pakistani side maintained that he had inadvertently crossed over.

A police officer pleading anonymity said confusion prevailed over the situation till Friday morning when SDM Nowshera in Rajouri was asked to get the intruder's autopsy done.

Rajouri SP Mubassiar Lattifi said a team comprising 5 Sikh LI commander and Nowshera ASP handed over the body to the Pakistani side at Laam sector.

The spokesman added that Pakistan troops had violated the ceasefire along the LoC and resorted to heavy unprovoked automatic fire on Indian posts in Mendhar sector on Thursday.

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Study: Fish in drug-tainted water suffer reaction

BOSTON (AP) — What happens to fish that swim in waters tainted by traces of drugs that people take? When it's an anti-anxiety drug, they become hyper, anti-social and aggressive, a study found. They even get the munchies.

It may sound funny, but it could threaten the fish population and upset the delicate dynamics of the marine environment, scientists say.

The findings, published online Thursday in the journal Science, add to the mounting evidence that minuscule amounts of medicines in rivers and streams can alter the biology and behavior of fish and other marine animals.

"I think people are starting to understand that pharmaceuticals are environmental contaminants," said Dana Kolpin, a researcher for the U.S. Geological Survey who is familiar with the study.

Calling their results alarming, the Swedish researchers who did the study suspect the little drugged fish could become easier targets for bigger fish because they are more likely to venture alone into unfamiliar places.

"We know that in a predator-prey relation, increased boldness and activity combined with decreased sociality ... means you're going to be somebody's lunch quite soon," said Gregory Moller, a toxicologist at the University of Idaho and Washington State University. "It removes the natural balance."

Researchers around the world have been taking a close look at the effects of pharmaceuticals in extremely low concentrations, measured in parts per billion. Such drugs have turned up in waterways in Europe, the U.S. and elsewhere over the past decade.

They come mostly from humans and farm animals; the drugs pass through their bodies in unmetabolized form. These drug traces are then piped to water treatment plants, which are not designed to remove them from the cleaned water that flows back into streams and rivers.

The Associated Press first reported in 2008 that the drinking water of at least 51 million Americans carries low concentrations of many common drugs. The findings were based on questionnaires sent to water utilities, which reported the presence of antibiotics, sedatives, sex hormones and other drugs.

The news reports led to congressional hearings and legislation, more water testing and more public disclosure. To this day, though, there are no mandatory U.S. limits on pharmaceuticals in waterways.

The research team at Sweden's Umea University used minute concentrations of 2 parts per billion of the anti-anxiety drug oxazepam, similar to concentrations found in real waters. The drug belongs to a widely used class of medicines known as benzodiazepines that includes Valium and Librium.

The team put young wild European perch into an aquarium, exposed them to these highly diluted drugs and then carefully measured feeding, schooling, movement and hiding behavior. They found that drug-exposed fish moved more, fed more aggressively, hid less and tended to school less than unexposed fish. On average, the drugged fish were more than twice as active as the others, researcher Micael Jonsson said. The effects were more pronounced at higher drug concentrations.

"Our first thought is, this is like a person diagnosed with ADHD," said Jonsson, referring to attention deficit-hyperactivity disorder. "They become asocial and more active than they should be."

Tomas Brodin, another member of the research team, called the drug's environmental impact a global problem. "We find these concentrations or close to them all over the world, and it's quite possible or even probable that these behavioral effects are taking place as we speak," he said Thursday in Boston at the annual meeting of the American Association for the Advancement of Science.

Most previous research on trace drugs and marine life has focused on biological changes, such as male fish that take on female characteristics. However, a 2009 study found that tiny concentrations of antidepressants made fathead minnows more vulnerable to predators.

It is not clear exactly how long-term drug exposure, beyond the seven days in this study, would affect real fish in real rivers and streams. The Swedish researchers argue that the drug-induced changes could jeopardize populations of this sport and commercial fish, which lives in both fresh and brackish water.

Water toxins specialist Anne McElroy of Stony Brook University in New York agreed: "These lower chronic exposures that may alter things like animals' mating behavior or its ability to catch food or its ability to avoid being eaten — over time, that could really affect a population."

Another possibility, the researchers said, is that more aggressive feeding by the perch on zooplankton could reduce the numbers of these tiny creatures. Since zooplankton feed on algae, a drop in their numbers could allow algae to grow unchecked. That, in turn, could choke other marine life.

The Swedish team said it is highly unlikely people would be harmed by eating such drug-exposed fish. Jonsson said a person would have to eat 4 tons of perch to consume the equivalent of a single pill.

Researchers said more work is needed to develop better ways of removing drugs from water at treatment plants. They also said unused drugs should be brought to take-back programs where they exist, instead of being flushed down the toilet. And they called on pharmaceutical companies to work on "greener" drugs that degrade more easily.

Sandoz, one of three companies approved to sell oxazepam in the U.S., "shares society's desire to protect the environment and takes steps to minimize the environmental impact of its products over their life cycle," spokeswoman Julie Masow said in an emailed statement. She provided no details.

___

Online:

Overview of the drug: http://www.nlm.nih.gov/medlineplus/druginfo/meds/a682050.html

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Cruise Ship Now Faces Expected Wave of Lawsuits

Despite having their feet back on solid ground and are making their way home, passengers from the Carnival Triumph cruise ship are still fuming over their five days of squalor on the stricken ship and the cruise ship company is likely to be hit with a wave of lawsuits.

"I think people are going to file suits and rightly so," maritime trial attorney John Hickey told ABCNews.com. "I think, frankly, that the conduct of Carnival has been outrageous from the get-go."

Hickey, a Miami-based attorney, said his firm has already received "quite a few" inquiries from passengers who just got off the ship early this morning.

"What you have here is a) negligence on the part of Carnival and b) you have them, the passengers, being exposed to the risk of actual physical injury," Hickey said.

Click Here for Photos of the Stranded Ship at Sea

The attorney said that whether passengers can recover monetary compensation will depend on maritime law and the 15-pages of legal "gobbledygook," as Hickey described it, that passengers signed before boarding, but "nobody really agrees to."

One of the ticket conditions is that class action lawsuits are not allowed, but Hickey said there is a possibility that could be voided when all the conditions of the situation are taken into account.

One of the passengers already thinking about legal action is Tammy Hilley, a mother of two, who was on a girl's getaway with her two friends when a fire in the ship's engine room disabled the vessel's propulsion system and knocked out most of its power.

"I think that's a direction that our families will talk about, consider and see what's right for us," Hilley told "Good Morning America" when asked if she would be seeking legal action.

While she said that she does not want to be greedy or exploit the situation, she does not feel that Carnival's $500 compensation is enough for the trauma passengers suffered.

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"You talk about the emotional trauma and just last night, feeling what we went through last night while we were on land with our families and our insides just trembling," she said. "I don't think it begins to even say what is needed here."

In addition to the money, passengers will receive a full refund for the cruise, transportation expenses and vouchers for another cruise.

"We made our own nest [on deck] because we were just too terrified to go inside because of the smells and the germs, so we just banded together and made our own little nest and just survived," Hilley's friend Ann Barlow said.

Her friend Carolyn Klam said she got a stomach virus from drinking bad water once the power went out and friend Tammy Hilley said her cell phone was stolen this morning as the boat came into port.

"I think going back to our room was kind of traumatic and seeing that from day one we had no home, we were homeless," Hilley said. "We would go downstairs below deck and your feet could feel the sludge that you were walking through. The smells and the liquids draining from the ceiling and the stories of people sleeping in the hallways and the sanitary bags in the hallway, that was traumatic to just watch it start piling up."

The more than 4,000 passengers and crew began to disembark from the damaged ship around 10:15 p.m. CT Thursday in Mobile, Ala., amid cheers and tears. The last passenger left the ship at 1 a.m. CT, according to Carnival's Twitter handle.

Passenger Brandi Dorsett was thankful to be home, especially for her mother who was with her on the ship. Dorsett said she wasn't pleased with the doctor on staff.

"My mother is a diabetic, and they would not even come to the room because she cannot walk the stairs to help her with insulin. She hasn't had insulin in three days," Dorsett said.

The Carnival Triumph departed Galveston, Texas, last Thursday and lost power Sunday.

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After power went out, passengers texted ABC News that sewage was seeping down the walls from burst plumbing pipes, carpets were wet with urine, and food was in short supply. Reports surfaced of elderly passengers running out of critical heart medicine and others on board squabbling over scarce food.

"It's degrading. Demoralizing, and then they want to insult us by giving us $500," Veronica Arriaga said after disembarking the ship.

As the ship docked, passengers lined the decks of the Triumph, waving and whistling to those on shore. "Happy V-Day" read a homemade sign made for the Valentine's Day arrival, while another sent a starker message: "The ship's afloat, so is the sewage."

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