four others were injured in the attack on the camp in northern norway.he injured were flown by air ambulance to a nearby city. >> air lifting the casualties to hospital from the remote archipelago from northern norway. one british 17-year-old dead, four more members of the group injured, two severely. an expedition of british students on an actic camping adventure of a lifetime that turned into a tragedy. it's the chance of seeing a polar bear in their national habitat that's one of the top attractions of trips here. nearly 3,000 bears, it's thought, roaming wild amidst the stunning landscape. blogs posted on the expedition website just a week ago talk of an arctic adventure of sea ice and the polar bears they were dreaming of seeing. >> horatio was a fine young man, hoping to go on to medical school. >> the british school that organized the trip is based here in central london. the expeditions of their young people for an experience of self-discovery in some of the world's last true buildnesses. holidays to zones where polar bears roam free are dangerou

. >> coming up next, a terrifying polar bear attack in northern norway. the bear attacked a group of teenagers on an expedition. at burning man festival now has a place to call home in san a place to call home in san francisco. let me get this straight. all-you-can-eat pancakes for $4? yep. when do you close? oh, we don't. excellent. unlimited pancakes for an unlimited time. only $4 and only at denny's. [ bell ringing ] >>> the japanese city of hiroshima marked 66th anniversary of the first atomic bomb attack. thousands gathered near the piece memorial along with survivors. it destroyed most of the city and killed 140,000 people. it was painful for many japanese had a are still struggling after the earthquake and tsunami last march. >> we're getting more details this morning about a terrifying polar bear attack in northern norway. it attacked a broop group of british teenagers. a 17-year-old boy was killed. four other people were injured before the bear was shot and killed. >> 17-year-old teenager was brutally killed friday morning when a polar bear breac

four others were injured in the attack at a camp in northern norway. the injured were flown by air ambulance. >> there lifting the casualties to hospital on the remote archipelago a. one britches' 17 year-old dead and four more members-- of -- oe british 17-year-old and four more members injured. see a bear in its natural habitat is one of the top attractions here. blogs posted on the expedition website week ago talk about the polar bears they were dreaming of seeing. >> horatio was a fine man hoping to go on to read medicine after school. >> the association that organized the trip is based here in london. holidays to places where parlor bears roam free are dangerous. but the polar bear habitats are melting. encounters with humans are getting more common. >> there is a lot of open water. they have to stay on the land. they get hungry. there is nothing for them to it. >> the chief executive of the travel company is on his way to norway, where the injured are being treated. the circumstances of the tragedy are being investigated. >> yesterday, we heard a

. >>> plus, a deadly polar bear attack out of northern norway.eenager on an expedition to a remote arctic glacier is killed. and four others seriously injured. what drove the bear to attack? and how did the others get away? >>> first, we turn to ron claiborne, for the news, including the breaking news out of afghanistan. >> that's right. good morning, again. we begin with our top story. a nato helicopter was shot down in afghanistan early this morning, killing 38 people. most of them, u.s. troops. the single-deadliest attack on u.s. forces since that war began nearly a decade ago. and abc's martha raddatz joins us now, from washington, with the latest. martha? >> reporter: good morning, ron. it was a chinook helicopter. and onboard, abc news has learned from a u.s. senior military official, there were 25 navy s.e.a.l.s, 7 afghan forces, 1 interpreter, the 5-member crew of the u.s. helicopter and 1 dog. the troops were apparently involved in some sort of raid or operation in wardak province in afghanistan, when the helicopter apparently was shot d

>> britain's ambassador and the chief executive of the travel company are both on the way to northern norway. the circumstances of the tragedy are being investigated. >> for the first time ever one of the international credit rating agencies has downgrade it had united states from the top aaa level. and the leaders of the united states, france, and germany have condemned the president of syria for what they call the indiscrimnat violence being used against people. and an update on our top story, the downgrading of the united states aaa rating by standard and poors. apparently president barack obama was briefed in advance of this intention and he has been continuing to receive updates from top aides according to an administration official, according to the reuters news agency. so president obama was briefed in advance of the ratings agency standard and poors decision to downgrade the united states from its aaa credit rating. that comes as g-7 finance ministers are set to meet to discuss euro's debt crisis. european politicians must get ahead of the curve to overcome the crisis. says that in i

. >>> and a gruesome scene today at a camp site in northern norway, where a polar bear mauled a 17-year-old british teen to death and injured four others. the attack took place on an island where the population of polar bears actually exceeds that of humans and where food is scarce. the polar bear was killed after the attack. >>> we turn back to this country this evening and to a stunning fbi manhunt in florida tonight. the search for three gun-wielding siblings. they robbed a bank, set out on a high speed chase and then sprayed cops with their ak-47s. now, the bandits are still on the run, and here's abc's linsey davis. >> reporter: police say this trio should be considered armed and dangerous. three siblings being urged by their mother to surrender. authorities say they robbed a bank in georgia with what appeared to be ak-47s. as they entered the bank, the fbi says they fired shots at the ceiling and then took off with an undisclosed amount of money. earlier, they were allegedly involved in a high speed chase in florida. at least 20 gunshots were fired at a police car. authorities have be

you're looking at widespread showers here looking quite gusty as well across the northern end of poland, germany, into norway and sweden. then down in the southeastern corner dealing with the system moving slowly. showers to watch out for in places like ukraine, romania, and bulgaria. out towards the west, it will be generally settled for spain and portugal. it will stay warm in places like madrid and lisbon. fairly cool for the majority of europe today. 18 in kiev. here is your extended forecast. >>> video footage has been released of a japanese astronaut's experiment at the international space station. >> the experiments were carried out and proposed by members of the public. he tried to put the tips of his two index fingers together. he did it with his eyes open but failed when his eyes were closed. the brain needs to process information about the weight of the arms to put the fingers together, but it cannot fully recognize weight in zero gravity. another experiment looked how body size changes in space. his head, wrists, and chest are the same size in space. but his kal s and waste are s centimeters thin

you're looking at widespread showers here looking quite gusty as well across the northern end of poland, germany, into norway and sweden. then down in the southeastern corner dealing with the system moving slowly. showers to watch out for in places like ukraine, romania, and bulgaria. out towards the west, it will be generally settled for spain and portugal. it will stay warm in places like madrid and lisbon. fairly cool for the majority of europe today. 18 in kiev. here is your extended forecast. >>> video footage has been released of a japanese astronaut's experiment at the international space station. >> the experiments were carried out and proposed by members of the public. he tried to put the tips of his two index fingers together. he did it with his eyes open but failed when his eyes were closed. the brain needs to process information about the weight of the arms to put the fingers together, but it cannot fully recognize weight in zero gravity. another experiment looked how body size changes in space. his head, wrists, and chest are the same size in space. but his kal s and waste are six centimeters th

russia of course as you have heard on numerous occasions russia's claim to intensify its northern sea routes how does norway that is that from that project but obviously people benefit from increased security because again very often in the international press there is a hypothesis that it's a conflict between the arctic sites i would say you've got a measly you have a joint interest this is just another case if the succeeds in building capacity so that this route via is already accessible and commercially viable becomes even more attractive for the shipping companies that will attract more to. witchy and also more business in no way i'm a force of the norwegian government house put its own money into projects preparing for that and we have a very close cooperation with the russian authorities run workshops to identify critical stickles is currently not making this group working up the middle optimal for commercial points and our final question of course is concerning the security at the end of the arctic region how does more we perceive the importance of maintaining security and possible military presence