reporter: even if it means it has to be on a volcano. >> yeah. >> reporter: for "nightline," i'm gloria riviera in indonesia. >> o thanks to gloria and producer nick for that incredible report from the ring of fire. >>> next, is there anywhere the venn or the of the go-pro hasn't gone with his famous gadget? turns out, the answer is yes. and we're taking you with us. in with his famous gadget? turns out, the answer is yes. and we're taking you with us. v with his famous gadget? turns out, the answer is yes. and we're taking you with us. en with his famous gadget? turns out, the answer is yes. and we're taking you with us. t e with his famous gadget? turns out, the answer is yes. and we're taking you with us. o gone with his famous gadget? turns out, the answer is yes. and we're taking you with us.r & pandwe'r takg yooc >>> and finally tonight, we're taking you to new heights with a man who was named one of forbes youngest billionaires today. thanks to a little invention he calls the go-pro. a cool $4.9 billion later, is there anywhere his celebrated camera hasn't been? here's abc's "world news

reporter: even if it means it has to be on a volcano. >> yeah. >> reporter: for "nightline," i'm gloria riviera in indonesia. >> our thanks to gloria and producer nick for that incredible report from the ring of fire. >>> next, is there anywhere the venn or the of the go-pro hasn't gone with his famous gadget? turns out, the answer is yes. and we're taking you with us. in with his famous gadget? turns out, the answer is yes. and we're taking you with us. v with his famous gadget? turns out, the answer is yes. and we're taking you with us. en with his famous gadget? turns out, the answer is yes. and we're taking you with us. t e with his famous gadget? turns out, the answer is yes. and we're taking you with us. o gone with his famous gadget? turns out, the answer is yes. and we're taking you with us.r & pandwe'r takg yo ocf iwith something terrible to admit. i treated thousands of patients, risked their lives, while high on prescription drugs. i was an addict. i'm recovered now, but an estimated 500,000 medical professionals are still out there, abusing drugs or alcohol. police, airline pilots,

reporter: even if it means it has to be on a volcano. >> yeah. >> reporter: for "nightline," i'm gloria rivierandonesia. >> our thanks to gloria and producer nick for that incredible report from the ring of fire. >>> next, is there anywhere the venn or the of the go-pro hasn't gone with his famous gadget? turns out, the answer is yes. and we're taking you with us. in with his famous gadget? turns out, the answer is yes. and we're taking you with us. v with his famous gadget? turns out, the answer is yes. and we're taking you with us. en with his famous gadget? turns out, the answer is yes. and we're taking you with us. t e with his famous gadget? turns out, the answer is yes. and we're taking you with us. o gone with his famous gadget? turns out, the answer is yes. and we're taking you with us.r & pandwe'r takg yo ocf thank you cable. for the slower internet upload speeds. for making me wait longer to share my photo albums. thank you, cable because if we never had you... we wouldn't know the incredible difference verizon fios makes. the numbers don't lie. in customer satisfaction studies, fios

for "nightline," gloria riviera. >> congrats to gloria for making it through that story. >>> we'll beht back. how can i ease this pain? (man) when i can't go, it's like rocks piling up. i wish i could find some relief. (announcer) ask your doctor about linzess-- a once-daily capsule for adults with ibs with constipation or chronic idiopathic constipation. linzess is thought to help calm pain-sensing nerves and accelerate bowel movements. it helps you proactively manage your symptoms. do not give linzess to children under 6, and it should not be given to children 6 to 17. it may harm them. don't take linzess if you have a bowel blockage. get immediate help if you develop unusual or severe stomach pain especially with bloody or black stools. the most common side effect is diarrhea, sometimes severe. if it's severe, stop taking linzess and call your doctor right away. other side effects include, gas, stomach-area pain and swelling. bottom line, ask your doctor about linzess today. >>> and finally tonight, remember the texas state senator that became the national sensation in pink sneaker

gloria riviera, wraush waashing. >> unfortunate.ly, we have a heat wave. >> the temperatures warm up. and really significant warming going to be, talk about how warm we're going to get on the forecast. live doppler 7, show you. take a look at the bay area. nothing coming of on the radar scan. quiet night tonight. current temperatures out there right now. 66 in oakland. 61, san francisco. 59. 54, heyward. concord, 66 degrees. a live look. we'll show you all is quiet. all we have out there. and the flag, bottom right, waving a bit. light breezen our forecast. a breezy night ahead. coastal cloud tomorrow. but much of the bay area will see sunshine for our monday. then talk about that autumn warmth arriving that will peak friday. cloud swirling around nevada. area of low pressure slow. to move out. what will get it out in 24 hours. a cold front out of northwest. wipe a lot of cloud cover out of here. that will open the gateway for warm temperatures. area of high pressure is building in the pacific. push east. come into our area midweek.

. >> gloria riviera with the latest. >> reporter: president obama is in the uk meeting with so many key allies. a lot on his plate, ukraine, russia, but, of course, isis and with the u.s. policy and what it will be. pressure is building for president obama meeting with nato allies to clearly define u.s. strategy after he said the terror group isis will pay the price for the murder of american journalist steven sotloff and james foley. >> we'll either fight them now or fight them later because they're not going to stop. it's disciplined. it's well financed. it's military. it's a state. it's a government and they move with lightning speed. >> reporter: lightning speed and a sophisticated social media campaign. terrorism observers say it boosts their power in syria and iraq. isis commander abu bakr al baghdadi an the hooded executioner is key targets. they are looking for clues. spy planes and satellites honing in on raqqah where they think they were killed. in florida steven sotloff's family and friends remember a dedicated journalist. >> he wanted to give voice to those who had none. >>

. >> we begin with gloria riviera. >> reporter: the white house said thoughts and prayers are with the family of steven sotloff. they are said to be quietly grieving. it was just recently that his mother released a public statement pleading with isis for her son's release. the grisly video is called a second message to america from ides. in it 31-year-old american journalist steven sotloff on his knees. and this man. >> i'm back, obama. >> reporter: possibly the same executioner of james foley two weeks ago whom intelligence experts are working to identify. sotloff is at least the second american murdered in retaliation for u.s. air strikes on isis targets in iraq. in a statement the national security council called the video if verified appalling. president obama now in europe is meeting with key allies including british prime minister david cameron this week to discuss serious strategy. at home, critics say weak foreign policy is contributing to the terror group's rise. >> we have to deal with this threat comprehensively and thoroughly now and that is what i want to hear and see from

reena, tahman. >> gloria riviera, thank you. >>> the president also facing pressure from both parties to come up with a strategy to defeat isis militants. many are concerned that the extremist group will bring their terrorism to the west. british prime minister david cameron now calling for a law that would give police power to seize passports or british citizens suspected of traveling to support isis. >>> here at home there's a growing alarm over home grown terror. and a new security for nationals coming into the u.s. allegedly to study. abc news investigation has found there are 6,000 people who came to the u.s. on student visas and disappeared. authorities are also looking into the growing number of schools with improperly visas ranging from beauty to horseshoeing. >>> a different terror front. the u.s. military is targeting another islamic extremist organization and confirms they're conducting an anti-terror operation against al shabaab and drones have fired missiles at vehicles carrying its top leader, the same one support for that attack on the upscale mall in nairobi, kenya. >>

here is gloria riviera with the urgent rescue under way tonight. >> reporter: it came without warning, japan's epic mt. ontake suddenly turning deadly. this is the moment, captured by a hiker who often posts his travels, a simple trek became a frantic fight for survival. watch this video from inside the summit. the hikers plunged into darkness. ontake erupted during prime hiking season, listen as the crystal sky is shattered by volcanic debris. some 250 climbers many believed to be near the 10,000 foot peak caught, some of them trapped over night. emergency helicopter teams rushing to pluck survivors from the ashen slope. battling toxic gases and fears of another eruption. the hails fell like hailstone this man said, we couldn't breathe. dozens are dead. others are buried in ash. mt. ontake is just one of we volcanoes in japan. we recently traveled to indonesia, in the ring of fire, those 450 volcanoes circling the pacific, responsible for 90% of the world's volcanic eruptions. when you're this close you not only hear that boom but you feel it. thunder, fireworks, all at once. it's ab

gloria riviera, abc news. >> well, rivers may be best known for her catchphrase, "can we talk?" >> and talk she did opening up to barbara walters, who knew both the public and private joan rivers. >> she would say anything. she would say all the things that women wanted to say and perhaps didn't. privately she was very elegant, a house full of antiques and silver and rather quiet. we've all said she liked nothing more than to work and to know that she had this kind of an audience even when she was unconscious, i think she would have been smiling. i will miss her. >> well, that's abc's barbara walters remembering her good friend. it was a routine procedure at a doctor's office in manhattan that may have triggered her heart attack. >> as a result, the new york state department of health has launched an investigation into operations at that outpatient clinic. >> sources tell abc news however that right now the investigation is routine. there's no suspicion of any wrongdoing. >> much more about joan rivers' pass later on "america this morning" including how comedians are reacting on

gloria riviera, abc news, washington. >>> gloria, thank you. and she'll have much more stunning pictures tonight coming up on "nightline." >>> back here at home, and 2 million americans under threat of severe weather this evening. flood watches, so many, still drying out after relentless rain. in phoenix, look at this. the roof collapsing at the sky harbor international airport. in charleston, south carolina, historic downtown, under water. and this even fk in the heartland now, a tour nay doe watch. so, let's get right to chief emergency ginger zee tonight, who begins with the severe weather. >> reporter: in colorado, we have hail and snow 100 miles apart. i'll take you right there. that low deepening across the plains and you can see the potential for severe weather including damaging wind, large and hail tornadoes. it goes through nebraska, down to new mexico. that's where we find the tornado watches and severe thunderstorm watches. you mentioned charleston, and i'll take you to florida, where we still have flood potential. we could see up t

gloria riviera, abc news, washington. >>> and gloria will have an in-depth report on dangerous volcanos late they are week on "nightline." >>> and hong kong, tens of thousands of people taking on the financial district. police lobbing tear gas in the protester, arresting more than 60 people opposed to the chinese government. they fear it could affect the global markets tomorrow. >>> and back here at home, and what could be a miserable travel week ahead. and a fire started by a disgruntled worker destroyed an air traffic control network and the effects, affected the count. and you can see the trouble there. here is david kerley on the race to repair the damage. >> reporter: passengers still passing time in line with air traffic control around chicago still down. >> it's been very crazy. >> reporter: at least the passengers knew there were problems. >> it's frustrating to get through the line now. >> reporter: can control centers around chicago picking up the slack, about 70% of sflit flooits are getting in and out. and still, 500 chicago flights canceled sunday. the problem? the damage w

abc's gloria riviera has the developments. >> reporter: word of a jailhouse confession after more than a month of silence in the case of an american socialite found murdered thousands of miles away in bali. now indonesian authorities say chicago native tommy schaeffer admits he killed his girlfriend's mother while the family vacationed at the upscale st. regis resort in august. bali vinvestigators confirm they've confessed. tommy carried out the killing. schaeffer's girlfriend hethser mack who is three months pregnant has also confessed to witnessing her mother's murder and helping dispose of her body. heather thought tommy did not mean to kill her mother. 19-year-old mack and 20-year-old schaeffer have been behind bars since the gruesome discovery of 62-year-old sheila's body found stuffed inside this silver suitcase left in the trunk of a taxi last month. she previously claimed her mother died during an armed gang attack that she and schaeffer escaped. but surveillance video shows mack's mother and schaeffer arguing in the hours before the murder. mack's attorney declined an abc news

abc's gloria riviera is here with more. good morning, gloria. >> reporter: good morning.eally has a tragic end to what started out as a mother/daughter vacation in an idyllic location. it all turning deadly after surveillance cameras capture an argument and then a tale of excuses and laying blame that investigators never fully bought. this morning word of a jailhouse confession after more than a month of silence in the case of an american socialite found murdered thousands of miles away in bali. >> no cameras. >> reporter: now indonesian authorities say chicago native tommy schaefer admits he killed his girlfriend's mother while the family vacationed at the upscale st. regis resort in august. bali investigators have confirmed both of them have confessed. tommy was the one who carried out the killing. according to authorities schaefer's girlfriend, heather mack, who is three months pregnant, has also confessed to witnessing her mother's murder and helping to dispose of her body. heather thought that tommy did not mean to kill her mother. 19-year-old mack and 21-year-old sc

the faa is investigating right now and abc's gloria riviera joins us from washington with the latest.gloria, good morning to you. >> reporter: good morning, dan. this was a much beloved respected couple in the rochester, new york, community. pillars of philanthropy all about giving back who had made countless flights together as husband and wife pilot and co-pilot which is why it makes it so hard for so many to fathom what could have gone wrong. this morning chilling pilot's radio recordings in an aviation mystery. how did a new york couple's brand-new plane fall from the sky 14 miles off the coast of jamaica. >> 900 kilo november atlanta center how do you read. >> reporter: real estate develop developer laurence glazer and his wife jane left at 8:45 headed to naples. about afternoon hour in, 28,000 feet over north carolina, the first indication of trouble. a request to descend 10,000 feet. >> we need to descend down to that 1-8-0. we have an indication that is not correct in the plane. >> stand by. >> reporter: due to traffic glazer is only cleared to drop to 25,000 feet at first. bu

abc's gloria riviera walked with demonstrators in new york. >> this could be the largest demonstration for the environment ever. all ages, all different backgrounds united in their call on world leaders to take action to fight climate change. >> reporter: marchers expressed their belief in a number of ways. >> get the word out that climate change is real. science backs it up. >> reporter: the united nations secretary-general among the marchers. >> i'm overwhelmed by such a strong power and energy and voice of people. >> reporter: the worldwide marches coincide with the united nations climate summit. starting tuesday when more than 120 world leaders get together in new york to push for a global climate treaty by next year. one that among other things will reduce greenhouse gas emissions that cause the earth's temperature to rise. academy award winning actress emma thompson is urging support. >> you have to get everyone who knows what's going an, all of them, to take action. >> reporter: so with peter gabriel. >> we are really risking our own future and particularly the planet's survival

here's gloria riviera. >> reporter: signs of trouble, a dark plume of ash spiraling into the clear, blue on the reve revere's mt. ontake moments before it erupted. this hiker capturing the moment the day turns deadly and dark. [ screams ] >> reporter: here, another group taking refuge inside that hut. helplessa the sky goes black. "the rock fell like hailstones," this man said. at 12:42 inside another shelter, people huddled together, listened as volcanic debris rained down. officials warned another blast could send boulders up to 2.5 miles from the crater. survivors making their way through a moon scape, carpeted in a thick ash nearly two-feet deep in places. ontake is one of some 450 volcanos that make up the ring of fire in the pacific ocean, responsible for 90% of the world's volcanic eruption. we saw their power firsthand when we traveled to indonesia. when you're this close, you not only that boom, but you feel it. in japan, the search suspended. more than 500 rescue workers forced off the mountain by dangerous levels of poisonous gas. now watching and waiting for conditions to imp

gloria riviera, abc news, washington. >>> concern deepening over a virus infecting children that appearsto be gaining momentum across the country. now potentially new complications. paralysis. several children have been having trouble moving their arms and legs. the cdc is looking into whether the entrovirus is to blame. parents are being put an notice to be vigilant. >> when your child is not acting though way you'd expect with a cold symptom, that's when you really need to access care. and breathing difficulty and wheezing is important to deal with. >> doctors remind us this is a relatively common class of virus with up to 15 million cases a year and deaths or lasting damage are extremely rare. >>> we're also learning new details in the manhunt in the pennsylvania poconos for accused cop hiller eric frein. 18 days into the search, they've shifted their focus inside dense woods that they fear he may have booby trapped. they do believe they have frein contained within a five-square-mile perimeter. >>> police in arkansas are looking for a dangerous ex-con in connection with the kidnapping