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 already surfacing from this photo. why one glove on both of these men. plus, caught in the chaos. >> there was a massive explosion. it was really like a, you know, whoosh. >> the american helping people from the mangled metro train. >> he was extremely close to the blast. >> and the man from utah who has now witnessed his third terror attack, boston, paris and brussels. >> 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 as brothers with criminal 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 us in washington, d.c. but we're going to get started with alex marquardt who is in brussels this morning and, alex, those local media reports have 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 state 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. they raided it, as you mentioned 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. yesterday 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 or not is still not clear. there is some speculation, and i emphasize that this is speculation this morning, 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 several days ago as a man who was connected to the paris attacks, connected to salah abdeslam who was arrested on friday. he is believed to be the bombmaker for the paris attacks. his dna has been found in a house near brussels where traces of explosives were found. they use 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, but at the same time it's extremely volatile, so you need someone very specialized to put this together, and authorities believe that the person who has been putting some of these explosives together and supplying them to these isis-related groups is this 24-year-old named najim laachraoui. >> some interesting new details coming out of there this morning. a 24-year-old possibly linked to all of this. alex, i know it's been just over 24 hours since we were talking about all of this. 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. it's been shut down. a lot of people staying inside today. the public transportation system yesterday was completely shut down. now it's coming back online. many of the buses, some of the metro lines are back up, the airport still is closed. i should say it's expected to

re-open tomorrow. this is what they call the place de la bourse, the old stock exchange, and a memorial is growing and people have been coming out since last night to lay flowers, light candles, to pay their respects. up there at the top of the stairs there is a sign that says unis conte la haine, which means 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. >> yes, indeed and they're becoming all too familiar. in so many cities in paris. a growing memorial to the victims. alex marquardt joining us from brussels. thank you. >> interesting new details coming out from alex. alex, thank you again. >> breaking news coming in from belgium. after more than 24 manhunt authorities have arrested a man believed to be that third suspect. as according to local media

reports in belgium. identified as najim laachraoui. circulating the photo of all three men seen in the airport suspected of involvement in tuesday's attacks. a suspect has been arrested in belgium and other terrorists are being hunted. we'll continue to track the law enforcement developments throughout the day from belgium. and back in this country commuters will be seeing 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 in major american cities are seeing more of this. >> we've seen a lot more police presence. >> reporter: from new york to 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, you know, there was a situation. we're just going to take our time with 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 for the ncaa tournament, 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 they are not aware of any isis 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 in brussels 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 there and will do whatever it can to bring those responsible 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.

>> what they can do is scare and 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 day. 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.

when i have an asthma attack... i feel like a fish with no water. learn how to prevent your child's next asthma attack. because even one attack is one too many. 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. new, ted cruz receiving an endorsement from jeb bush. the former florida governor says cruz has shown ability to win primaries. bush suspended his presidential campaign last month following a poor showing in the south carolina primary. neal bush, jeb's younger brother is a member of his finance team. the feud between ted cruz and donald trump is escalating. it started with the 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 massive manhunt. right now and an update, the terror attack in brussels and the search for a suspect. and caught on camera, a 5-year-old girl saving her mother after she suffered a seizure in a pool. er 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 said joint pain from ra can be a sign ofxisting joint damage that could only get worse. he prescribed enbrel to help relieve pain and help stop further damage. enbrel may lower your ability to fight infections. serious, sometimes fatal, events including infections, tuberculosis,

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tum, tum, tum, tum smoothies! only from tums scenes from around the world there 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. authorities have made a quick arrest in connection with the airport attack. media reporting the man in this photo wearing a white coast has been taken into custody. raised have turned up another explosive device packed with nails as well as chemical prurkts and an isis flag. the state department issuing an alert for americans traveling.

>> we're also hearing from the americans who were trapped after the attack. brian carol from washington, d.c. was on board that train there. and he 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 candidates, each claiming to be the most qualified to fight 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 patrols 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 locus of radicalization. >> reporter: but both democratic candidate bernie sanders and republican senator john kasich say that sends the wrong message. >> in our country we don't want to create divisions where we say, okay, well, your religion, you're a muslim so, therefore, we'll keep an eye on you. >> we are fighting a terrorist

organization. we are not fighting a religion. >> reporter: and we're going to be hearing a lot more terror 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. allison 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 and 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. hogan tells abc's linzie janis 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 just 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, non-drowsy relief 24 hours a day, day after day. and with fewer symptoms to distract you... you can focus on the extraordinary things you do

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landmarks around the world lit up in black, yellow and red, the eiffel tower, the trevi fountain in rome and one world trade center here in new york city showing the colors of the belgian flag. three mormon missionaries from utah are among the nine americans who were 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 today from his hospital bed. >> but your eyes are okay. >> yeah, and my right hand is also kind of badly burned. >> he was extremely close to the 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 lehi, 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, who was about to work a flight to newark. she's recovering in a hospital. >> makeshift memorials of flowers and candles have popped up across brussels, and chalk messages of support

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abc7 news begins with breaking news. >> coming from belgium, sources tell abc that sorts have made an arrest in the attacks in brussels. the unnamed person was taken and custody right near the capital. it comes as belgium comes to a stop for a moment silence for the victims of the bombing. >> it is:28. overnight developments in the brussels bombings. first, a check of local weather and traffic. mike? >> good morning, everyone. put the umbrellas away. unless you need the shades. live doppler hd is showing it is dry again. this is how it looks from our east bay hills camera. hopefully. it will show when it comes up that it is clear. and temperatures are running in 30s and 40s this morning. and you can see the temperatures

are topping out a little bit warmer in the afternoon hours from upper 50s at the coast and mid-70s to 70s around the bay and inland. how is the traffic looking, sue? >> i i can see it is quiet in walnut creek with road works in lanes. 680 is moving nicely through the walnut creek area. it is between alamo and pleasanton you will find the road work in the southbound direction. britain is good. all around looking great. we will come back and more of road work in a second. >> back new to belgium and breaking developments in the last few minutes a third suspect in the attacks has been arrested. our reporter is sharing the story of the attacker's >> european officials tell abc

that one of key suspects has been arrested. >> as the sunrises over the city of brussels, 24 hours ago, chaos erupted in the heart of the morning rush hour. the first targets what the departure hall of brussels international airport outside of the security check pop. two palms exploding at 8:00 a.m. on tuesday morning, the terminal filled with smoke and people running for safety. >> many people were panicked and crying. >> explosions so powerful that glass shattered and hundreds of injuries including nine americans including these three mormon missionaries from utah, all seriously hurt and the nightmare did not help. an hour after the explosion, seven miles away another suicide bomb blast. this time near the offices of the european union