eric arnold also survived that tragedy. summit of everest it is 66% lower in oxygen availability. to stand up and walk 20 feet across the ground can make your heart pound in your chest and make your head throb and make you dizzy. >> reporter: the australian woman died after exhibiting similar symptoms saturday at 26,000 feet. the so-called death zone. >> as a result above the death zone we have to try to get up, summit, and get back down quickly before that altitude basically shuts our body down. she was climbing with her husband, robert gropel who attempt to revive her. he also got altitude sickness. he was evacuated by helicopter. and survived. >> she was just superwoman could do anything. >> reporter: her sister and mother mourned her as a woman whose gifts were priceless. >> always giving the presence just being my daughter. yes. >> a rescue team is being assembled to bring the bodies of arnold and strideham off the mountain. 22 other climbers suffering from frostbite have also been rescued. >> that's the "cbs overnight

. >> reporter: dutch climber eric arnold also died. he finally reached the summit on his fourth attempt. but his exhausted body could not handle the trip down. experts say the descent can be just as dangerous as the climb. >> people become incapacitated. at that altitude there's very little anybody can do to help you, unfortunately. >> reporter: dozens more have become sick and the top of the mountain is now getting crowded. >> there are problems with, let's say people who are not that experienced, slowing things down. that's creating some problems for other people. >> i do love that view. >> reporter: two americans now close to the summit are sharing their journey on social media. today on instagram, adrian expressed concerns over stolen oxygen bottles, poached tents, climbers taking it too close to the edge. everest was largely quiet last year after nepal's massive earthquake and a deadly avalanche. so this season there's pent up demand. nearly 400 have already reached the top, including charlie, a marine veteran who lost part of his

this after eric arnold and maria strydon died from altitude sickness after reaching the world's tallesteak. strydon climbing with her husband. >> a climber can develop altitude sickness anywhere on everest, and it can come on suddenly and with no warning. >> reporter: arnold was a professional climber who was attempting everest for the fifth time. he survived this avalanche last year that claimed 18 lives, and shut down the mountain. over 250 people have died trying to summit everest, but more people than ever are trying to ascend the mountain. some of them without the proper training. >> the problem with everest isn't necessarily the number of climbers, it's the experience. they feel qualified to take the highest mountain in the world. >> reporter: at nearly 30 thousand feet, even the smallest problems can turn tragic. >>> next, a warning tonight about the zika virus coming to america. this, according to dr. anthony falchi. saying that mosquitoes may begin infecting people in the states. more than 500 americans already have the virus, but those are travel-related. >>> now to a monster

this was eric arnold's fifth attempt to climb the world's highest mountain. the picture you're looking act actually posted on friday as the group started the final part of that climb, according to reports, the woman was in the same group, but both have been suffering from weakness, they are the first to die on the mountain this year. >>> search and rescue teams are going to a village in north sumatra asking people to evacuate. seven people died when a mountain erupted yesterday. eruption blasted volcanic ash as high as two miles into the sky. the mountain had been dormant for hundreds of years before reviving in 2010 and that's when it killed two people. and eruption in 2014 killed 16. it is among more than 120 active volcanoes in indonesia. >>> trading their badges and guns for work gloves. >> we're challenging ourselves this year, hoping other departments follow suit. >> up next the improvements that will allow the homeowners to be mobile again. >>> plus a survival story that will be tough to top, a man attacked by a bear, coming up, he describes what he re

two climbers did not make it down from the world's tallest oruntain. 30 year old dutch climber eric arnold died shortly after complaining of feeling weak. he was able to get to a lower altitude. australian climber maria strydom also showed signs of altitude sickness before she died. some of the climbers were as high as 21,000 feet. still no word on the whereabouts of the two other climbers last seen near the summit. jim davidson knows all about the challenges at high altitude with 30 years of experience climbing the world's tallest peaks. s up on the summit of everest it's 66% lower in oxygen availability. and so as a result you can 2rely stand up and walk 20 feet across the ground can make your heart pound in your chest and make your head throb and make you dizzy, just literally standing up and walking 20 or 30 feet. >> reporter: last year's climbing season was canceled after the earthquake wrecked havoc on the area. climbing attempted were also halted in 2014 after an avalanche killed more than a dozen sherpa guides. hare than 250 people have died in their efforts to climb mount everest,

eric arnold also survived that tragedy. >> the summit of everest is 66% lower in oxygen availabiliti.s the ground can make your heart pound in your chest and make your head throb and make you dizzy. a a >> reporter: the so-called death zone affected marisa streidham. she was climbing with her husband, robert gropel, who attempted to revive her. he also got altitude sickness. he was evacuated by helicopter and survived. >> she could do anything. >> reporter: her sister and mother mourned marisa as a woman whose gifts were priceless. >> just be my daughter. >> reporter: a rescue team is being assembled to bring the bodies off the mountain. about 22 other climbers reportedly suffering from frostbite have also been rescued. they're in kathmandu. meanwhile, adrian ballenger and cory richards, the two climbers we've been following who have been snapchating their way up the mountain, they are safe and on their final leg of the journey. they'll make the final push to summit around 2:00 eastern time. they'll push through the death zone. >> going up optional kaczynski once again stands by his b

everest the two climbers did not make it down from the tallest mountain. 30-year-old dutch climber, eric arnold died after complaining of feeling weak. he was able to get to lower altitude. maria strydom showed signs of altitude sickness before she died. some climbers were as high as 21,000 people. no word on the where abuts of two climbers last seen near the summit. jim davidson knows about the challenges. with 30 years of experiences climbing the world's tallest peaks. >> up on the summit of everest it is 66% lower in oxygen availability. so as a result you can barely, stew stand up and walk, 20 feet across the ground can make your heart pound in your chest, make your head throb and make you dizzy, literally standing up and walking, 20, 30 feet. >> last year's climbing season was canceled after the earthquake wreaked havoc on the area. climbing attempts were halted in 2014 soon after an avalanche killed more than a dozen sherpa guide. more than 250 people have died in the efforts off to climb mt. everest. elaine since the first historic trek recorded back in 1953, it has been an issue. >> abs

dutch climber eric arnold on his fifth trek died on friday from altitude sickness.ia strydom who died after reaching the peak with her husband. >>> the san diego padres are apologizing to the local gay men's chorus for the mishandling of the group's performance of the national anthem on pride night. as the group began that performance, the chorus was drowned out by a woman recording the anthem. that sparked outrage from the gay community. they say there's no evidence of malicious intent but the team has disciplined an employee of not correcting the mistake. >>> now turning to basketball, the thunder rolled over the warriors in the nba western conference finals, 133-105. kevin durant had 30 points for oklahoma city. russell westbrook threw in 30 as the thunder matched the franchise record for the most points scored in a playoff game. the thunder out-rebounded the warriors out everythinged them that night. golden state's steph curry held to just 24 points. oklahoma city now have a 2-1 lead in the series. game four is tuesday night. >>> now to soccer and paul arriola h

dutch climber eric arnold, a triathlete died from a suspected heart attack. successful summit. australian national maria stride emdied from altitude sickness at base camp four, the final stop before the summit. and on sunday, indian climber sa barb paul also died. dak in inherent here. more than 250 mountaineers have died since the first official ascent in 1953. still hundreds every year are drawn to it willing to take the risk. the air is so thin, the oxygen level is a third of what's available at sea level. the wind is vicious. the weather, erratic, and the terrain deadly. kenten cool is a guide who has climbed everest 12 times. >> winds are very brutal on everest, and they can make what would be a relatively amenable summit day into something quite the opposite. >> reporter: climbing had been halted for the past two years after a deadly avalanche in 2014 that killed 16 sherpas and a devastating earthquake that struck nepal in 2015. a lot was riding on this year's climbing season. the nepally government hoping to revive tourism in a country still reeling fr

the same weekend two other adventurers also died. 36-year-old dutch climber eric arnold on friday nightidham friday afternoon. arnold trained for years and was on his fifth expedition. friday, his twitter account announced he had finally made the summit on. his descent, he complained of symptoms associated with altitude sickness and died later that night. >> death from water sickness comes from water pooling in the lungs, pulmonary edema or water on the brains. those can be fatal in a day or so. >> a huge avalanche and powder blast. >> reporter: climber jim davidson was on the mountain last year during an earthquake and avalanche that killed 19 people. tragedy. >> the summit of everest is 66% lower in oxygen availabiliti. to stand and walk 20 feet across the ground can make your heart pound in your chest and make your head throb and make you dizzy. a a >> reporter: the so-called death zone affected marisa streidham. she was climbing with her husband, robert gropel, who attempted to revive her. he also got altitude sickness. he was evacuated by helicopter and survived. >> she could do an

four days while climbing the world's highest peak and learning more about the two. 36-year-old eric arnolda successful summit. a heart attack is suspected there and then saturday maria died after altitude sickness. the 34-year-old climbing with her husband. this is the first climbing season by the way in two and a half years after the deadly avalanche in 2014. follow bd i the catastrophic earthquake in nepal last year putting climbing to a total halt and joining me is a man that knows mt. everest quite well. attempted summit four times. reached the summit in 2011. a pleasure to have you on. >> thank you, brooke, for having me. >> let's get to it. you have a window every year, april, may, when lots of folks flock to everest for an experience that you have had. when you hear four deaths in four days, alan, does that seem high to you? >> you know, sadly, it does not. if you go back to 2000 to 2015 and i consider to be modern times, there's an average of seven deaths every single year from a low of 1 in 2006 to a high of 22 last year as you referenced from the earthquake. >> you know, as point

. >> while i continues to make end roads, hold youdz like bill kristol and eric erickson are strictly against him. arnold schwarzenegger couldn't confirm he would endorse trump. he said he would announce support in his own time and way. bernie sanders campaign may hinge all hopes on the california primary. but the candidate is not entirely against being on the same ticket with hillary clinton. sanders says he's drafting an appeal letter to super delegates, he also did not reject a vp slot on clinton's ticket when asked. >>> a community is on alert this morning after a shooting spree in houston. police described the scene as chaotic. a gunman with a rifle in tow fired bullets randomly hitting seven people. gunfire also struck surrounding vehicles, a police helicopter overhead, even a nearby gas pump that burst into flames. a bomb squad was called to the scene to detonate a suspicious item. the swat team killed the gunman. one is investigating as a potential second shooter and two officers have been released from the hospital. >>> shark attacks reported on both coasts of the sust gave beach goers quite the