making news in america this morning, terror in brussels. a massive search under way right now. the mystery man in the hat and white coat moments before the airport explosion, the clues photo. men? >> there was a massive explosion. whoosh. >> the american helping people from the mangled train. blast. >> and the man from utah who has now witnessed his third terror attack, boston, paris and

>> we have live team coverage on the survival stories, the investigation and the security here at home. good wednesday morning, everyone. we're going to get started with brussels on edge this morning as authorities hunt for those responsible for the terror attacks. >> this morning raids are happening across belgium, the search uncovering explosive devices and an isis flag. >> and take a look at this picture right now now at the center of the investigation. three men seen at the airport before the explosion. investigators believe one of them is on the run. the other two identified moments ago by belgian media records. >> and proof the attackers wanted to cause maximum damage, an x-ray from a survivor shows a three-inch bolt in the patient's chest likely from one of the bombs. >> we have live team coverage. bazi kanani is standing by for

but we're going to get started with alex marquardt who is in brussels this morning and, alex, those local media reports just identified two of the airport bombers. >> reporter: good morning, kendis, that's right. the two men on the left side of that picture believed to be brothers. this according to rtbf, which is the belgian broadcaster. the names that they released this morning is khalid and brahim el bakraoui. they are the ones going through the airport with that third man. you can see those big bags on the cart in front of them. they are believed to be the two suicide bombers who detonated their explosives just after 8:00 yesterday morning at zaventem international airport. the way that they were identified was reportedly through a taxi driver who took them to the airport. once the authorities here in brussels had released that photo of the three men, the taxi driver recognized them, got in touch with the police and told the police where he picked them up. that was a neighborhood called schaerbeek. we're heard a lot about molenbeek. this is a similar neighborhood. they went to that house and

found an explosive device containing nails as well as chemicals and an isis flag. >> and speaking of those raids, alex, what do we know about the search for that third suspect? >> reporter: well, the third suspect is now the prime suspect. he's the one who got away. we don't know whether he was meant to be a suicide bomber. i was at the airport. there was a third explosion. that was a controlled explosion by the authorities to detonate now we understand explosives that didn't go off. now, whether that third man was meant to be a suicide bomber is still not clear. there is some speculation and i emphasize that this is speculation, it has not been confirmed -- hopefully we'll get guidance later on the third man could be someone named najim laachraoui. his name and photo were released as a man who was connected to the paris attacks, connected to salah abdeslam who was arrested on friday.

bombmaker for the paris attacks. his dna has been found in a house near brussels where traces of explosives were found and they used in paris a very specific, very complex type of explosive called tatp, which is able to be built with chemicals and elements that you can buy over the counter. at the same time it's extremely volatile so you need someone specialized to put this together and authorities believe that the person who has been putting some of these explosives together and supplying them to the isis-related groups is this 24-year-old named najim laachraoui. >> some interesting new details coming out of there. a 24-year-old possibly linked to all of this. alex, i know it's been just over 24 hours since we were talking how has the mood of that city changed? >> reporter: it's a strange mood. i know this city well. it's eerie. i'm on one of the main avenues here in the center of brussels and it's been shut down. a lot of people staying inside today.

yesterday was completely shut down. now it's coming back online. many of the buses and some of the metro lines are back up, the airport still did closed. it's expected to re-open tomorrow. this is what they call the place de la bource, the old stock exchange, and a memorial is growing and people have been coming out since last night to lay flowers, light candles, pay their respects. up there at the top of the stairs there is a sign that united against hate, so we're seeing a lot of the same feelings of sadness, anger, of nervousness that we saw after those paris attacks. this square here very reminiscent of what we saw on the place de la republique. >> a growing memorial to the victims. alex marquardt joining us from brussels. thank you. >> interesting new details coming from alex.

investigators are analyzing the surveillance images of the suicide bombers. >> okay, of course, you saw these photos and these guys are seen wheeling luggage carts. they're wearing black gloves on their left hands which may have concealed the triggers for the bomb. >> whether it's wires, strings, a button, something is in there that they -- when they move their hand, it actually makes the bomb go off. >> belgian authorities have established a connection to the site of one of their raids last week and to the paris mastermind who was captured. >> back in this country increased security at airports and train stations this morning. >> yeah, with many images like these from the brussels subway attack, u.s. officials are taking no chances this morning, even though they insist there is no specific threat against the homeland here. abc's bazi kanani has more now from washington. >> reporter: this morning, passengers and major american cities are seeing more of this. >> we've seen a lot more police presence.

washington, d.c., chicago to los angeles, increased security and more officers in subways, train stations and airports. after the horrific terror attacks in brussels authorities in the u.s. are taking no chances. the only flight from brussels to the u.s. tuesday was stopped on the tarmac, not even allowed to the gate until after passengers and bags were screened. >> they just told us there was a situation. we're just going to take time extra for security. >> reporter: a brief scare in denver. part of the terminal evacuated until some suspicious baggage was cleared. and in houston getting ready to host 100,000 fans, officers are working with heightened concern. >> three, two, one. >> reporter: over the last year as a u.s.-led coalition pushed isis out of more of its territory in the middle east, experts say the group created sleeper cells to strike abroad. >> we know that isis created an external attack division last year. >> reporter: u.s. officials say

cells in the u.s. at present. but the fbi is monitoring dozens of americans across the country who have shown sympathies for isis. in the past few years, 103 americans were charged with trying to join or support isis, far fewer than in europe. >> the muslim-american communities here in the united states are not as isolated, not as alienated as what we've seen in certain places in europe. >> reporter: and the state department has issued another advisory for americans traveling to europe warning that terrorists are planning more attacks there at sporting events, tourist sites and on public transportation. reena, kendis. >> everybody on high alert. bazi kanani live in washington, thank you so much, bazi. of course, the terror attack came as president obama was wrapping up his visit to cuba. in a nationally televised speech he made a brief reference to brussels saying the u.s. stands with the people

to justice, and then the president kept to his schedule attending the tampa bay rays baseball game against the cuban national team. he spoke with espn about his reasons for attending. make people afraid and disrupt our daily lives and divide us. and as long as we don't allow that to happen, we're going to be okay. >> the president is now in argentina for a state dinner and for a town hall event with young people. >> the first family arriving there overnight. well, still ahead -- results still coming in from an important primary date. plus the candidates reacting to the terror attack. an american hero on board the metro train in brussels helping pry the door open getting people to safety. and the pictures seen around the world. an injured woman at the brussels airport. what we're learning about her. you can help prevent blindness

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more from brussels in a moment, but first the election results coming in overnight. >> republicans in arizona giving a landslide win to donald trump who gets all of the state's 58 delegates there. >> however, ted cruz wins the republican presidential caucuses in utah. his victory more than 50% meaning that he gets all 40 delegates. >> for the democrats hillary clinton getting the win in arizona. >> but bernie sanders wins the democratic caucuses in utah. and he wins idaho, as well, saying overnight that those two wins give him confidence of major victories to come. >> but the biggest story may have been the long lines at the polls. some voters waiting up to five hours to cast their ballots in arizona. witnesses say an elderly woman fainted while waiting in the phoenix area. hundreds of voters were still in line when clinton and trump were named as the projected winners.

cruz and donald trump is escalating. it started with the release release of a new ad supporting ted cruz featuring a scantily clad melania trump. the picture comes from a past "gq" photo shoot. in response on twitter, trump told cruz to be careful and threatened to, quote, spill the beans about cruz's wife. cruz later responding saying he had nothing to do with the ad and saying, if you try to attack heidi, you're more of a coward than i thought. >> some fighting words between the boys. when we come back, the right now and an update, the terror attack in brussels and the search for a suspect. and caught on camera, 5-year-old girl saving her mother after she suffered a seizure in a pool. is caused joint pain. just like my moderate to severe rheumatoid arthritis. and i was worried about joint damage. my doctor saidr joint pain from ra can be a sign of existingt joint damage that could only get worse. he prescribed enbrel to help relieve pain

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when heartburn hits fight back fast tums smoothies starts dissolving the instant it touches your tongue and neutralizes stomach acid at the source tum, tum, tum, tum smoothies! only from tums scenes from around the world now a day after the terror attacks. authorities say they've identified the brussels bombers seen pushing luggage carts. now, reports indicate the two brothers, they are brothers with criminal records who have been linked to a brussels apartment where one of the paris attackers' fingerprints were found. >> a manhunt continues for others behind the bombings, particularly the man seen on airport surveillance video on the right. raids have turned up another explosive device packed with nails as well as chemical products and an isis flag and

issued a travel alert warning americans about traveling throughout europe, especially during the easter holiday. >> we're also hearing from the americans who were trapped after the attack. brian carol from washington, d.c. was on board that train and helped pry the door open after the explosion. >> as we're pulling into the maalbeek station there was a massive explosion. we heard it. we felt it. the car immediately or the train immediately stopped. the lights went out, the power went out on the train. everyone fell to the ground immediately. it was clear to me at least that this was a terrorist attack. one of the other passengers went to try and open the door and it was difficult and so collectively we all manually forced open the door. we just decided to go for it and get off the train and try and find safety. >> good to know he's doing all right. now, shortly after getting off the train, brian was able to contact his family back home. the attacks in belgium were on the minds of presidential

terrorism. abc's brandi hitt has details. >> reporter: the race for the white house is now dominated by talk of terrorism following the bombings in brussels. >> we've got to defeat them online. you know, that is where they radicalize. >> reporter: hillary clinton calling for quick action, but gop front-runner donald trump going much further than that telling abc news he'd waterboard surviving paris attacker salah abdeslam to get more information. >> i would use maximum, maximum interrogation technique. i would have waterboarding and i'd go a step further. >> reporter: ted cruz is pushing for more surveillance and patrol on muslim neighborhoods here in the u.s. >> it is good law enforcement to focus on where threats are emanating from and anywhere where there is a locust of radicalization.

republican wrong message. >> in our country we don't want to create divisions where we you're a muslim so therefore we'll keep an eye on you. >> we are fighting a terrorist organization. >> reporter: and we're going to talk in the coming days. this afternoon hillary clinton is set to give a counterterrorism speech at stanford university. reena and kendis. >> thank you, brandi. and more from brussels in a moment but some other headlines now. a dramatic rescue from a texas swimming pool by a 5-year-old as seen on surveillance video. alison anderwald saw her mom at the bottom of the pool. tracy anderwald had suffered a seizure. her daughter pulled her to the shallow end of the pool, got her head out of the water then ran for help. mother and daughter are doing just fine this morning. hulk hogan is speaking out in an exclusive interview, the former pro wrestler was just awarded $140 million in his lawsuit against gawker sobbing as that verdict was read and not ready to talk until now.

about what it felt like to be facing his foes in court and then be vindicated. >> i felt like i had like this monster on my shoulders no matter where i went, what are they thinking of me? it was just this overwhelming thing that kind of like made me cower. when they read the verdict it was so overwhelming when i knew that we had won and people believed me. it was just, gosh, it was a moment. it was a moment. >> more of that hulk hogan exclusive with our linzie janis coming up on "good morning america." well, still ahead, the three mormon missionaries injured in brussels. one of them witnessing his third terror attack. and a dazed look, her clothes torn, what we've learned about this woman injured in the attack. ou. so when your symptoms start... ...doctors recommend taking non-drowsy claritin every day of your allergy season for continuous relief. with claritin you get powerful,

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tributes for brussels pouring in overnight. landmarks around the world lit up in black, yellow and red, the eiffel tower, the trevi fountain in rome and one world trade center showing the colors of the belgian flag. three mormon missionaries from utah are among the nine americans injured in the blast, all are recovering from their wounds in the hospital. >> the parents of one young man said he had been treated for second degree burns and shrapnel injuries. abc's clayton sandell has more. >> reporter: mormon missionaries seriously hurt in the blast, richard norby, joseph empey and mason wells are from utah. they were at the airport to see off a fellow missionary also injured, 20-year-old fanny clain of france. wells is 19. he was burned and hit by shrapnel but able to call his parents from his hospital bed. >> but your eyes are okay. >> yeah, and my right hand is

blast. words can't describe the joy and the relief that we felt to hear his voice. >> reporter: empey is 20. his injuries include second and third-degree burns. norby is 66 and attends this church in lehigh, utah. remarkably this is the third terror attack for mason wells. he was only a block away from the boston marathon bombing. wells was also in france last november when terrorists attacked paris. >> i just have to think that he was prepared in some way to go through this. >> reporter: the u.s. state department says they do not believe that any americans were killed in the attack but they are still trying to account for all u.s. citizens and government employees. clayton sandell, abc news, denver. >> and surely among the most recognized victims of the bomb blast at the brussels airport is a wounded woman with her clothes in tatters. this photo on the front page of newspapers around the world this morning. >> the woman is a flight attendant from mumbai, india,

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it's gluten. there's gold in them thar shells. liquid gold. checking our top stories authorities have identified two suspected bombers in the brussels airport attack. they are reportedly two brothers known to police. the hunt continues for a third man seen on airport surveillance video. meanwhile, in a belgian courtroom today, the prime suspect from the paris attacks will face a judge. hillary clinton and donald trump scored victories in arizona primaries last night but bernie sanders won the caucuses in utah and idaho and a big win for ted cruz, as well. he claimed all of utah's delegates. some voters waited hours to cast ballots. and taking a look at today's weather, it feels a lot like spring in the east. heavy snow, wet snow in the upper midwest and over to the rockies. and rain from the great lakes

well, events like the leave us with shock and scenes that are often stiring. >> so finally this morning we're going to take a look and we're going to listen at an event that sadly is becoming all too common. >> there was a massive explosion. >> stay down. stay down. >> big bang. everybody crying and we came along here and we saw smoke. >> what it was, a truck or was it a terrorist? >> the second i heard it, i mean i felt it. i can still feel it in my chest now, the first blast and debris and smoke. >> it was a nightmare. the worst nightmare you could imagine. >> we saw a lot of people really badly injured with a lot of blood, and we know that it was

not see anything because of the smoke. [ sirens ] >> lights went out. the power went out on the train. everyone fell to the ground. it was clear to me at least that this was a terrorist attack. >> you just feel like a wave, explosion, a wave go through. >> we only saw smashed windows and we didn't get any information. >> hundreds of people started running. i ran with them. there was no clue as to what was going on. >> everyone started screaming and people dropped to the floor. people were crying. collectively we all manually forced open the door and at that moment i looked at, you know, the platform and thought probably it makes sense to get off. we just decided to go for it and get off the train and try and find safety.

humanity that emerged and sense of chaos to me shows these types of things don't defeat the human spirit. >> hard to believe 24 hours later. that's what's making news in america this morning, everyone. breaking right now on eyewitness news this morning. investigators in brussels say they are learning new information about a man they say carried out the terror attack that killed at least 34 people. after the second explosion, so many people panicked, so many people cried. >> what leaders in central florida are doing now to tighten our security. final results from three primaries and caucuses and what vote totals mean for the race for the white house. a lot to get to. good morning, 5 am wednesday, march 23.