welcome to "world news tonight." we're following several breaking stories. first, the rescues in the middle of a flood disaster. a surprise wall of water. the human chain to save lives. cars swept away, at least two dead, and as we come on the air a state of emergency. trouble for trump. the republican n of words with the family of a fallen soldier. what he told george stephanopoulos about the veteran's mother, as trump tallies his own sacrifices. hot air horror. new video, moments before the deadliest hot air balloon crash in u.s. history. tonight, what we're learning about the victims and the new questions about the dangers of these joyrides. zika in america. the high alert now that the first cases from mosquitoes here are confirmed. tonight we're with a woman who

find out if she has zika. and, extreme rollover. a car flipping more than half a dozen times. what rescuers had to do to get that driver out alive. good evening. thanks for joining us on this sunday. i'm tom llamas. we begin with incredible images and stories of survival from a deadly summer storm. in ellicott city, of baltimore, main street transformed into a rushing river. more than 100 water rescues. a month's worth of rain in just two hours. these pictures showing the full scope of destruction. after the flood waters receded. a state of emergency set in the county. and tonight, the flood threat not over. the forecast in a moment. but first, here's gloria riviera in that maryland town.

threatening to sweep this driver into danger. one man tries to help her, but is knocked down. moments later, a human chain forms after the woman crawls from her car to safety. some, left desperately clinging to vehicles swept away by the floods. main street in ellicott city turned into a massive river. swallowing up cars and crashing them into each other. the aftermath, cars stacked on top of each other. this suv flipped nose-first into a canal. a lot of the city is built on top of a river. when a flood like this happens, a lot of it is simply washed away. buildings, roads, and power lines in the area suffering extensive damage. >> second floors collapsed,

are now desperate to get into their businesses. but officials saying it's still not safe enough to go in. the force of the flooding, a car flipped sideways, another one smash it into it. the smell of gas is in the air. search and rescue says they've never seen anything like this. tom? >> an unbelievable scene. thank you. i want to go right to rob marciano for the storm track. rob? >> we still have rain falling over the flood zone. parts of jersey that got hit hard yesterday under a flood watch for the remainder of the evening. radar lit up from new york through georgia. and severe thunderstorm watches out for parts of the northern plains until at least 11:00 p.m. tonight. a 70% chance of this becoming a tropical cyclone over the next few days. that may head into the gulf of mexico, and the monsoon very active in the northwest.

at least tomorrow. tom? >> rob, thank you. and the wildfire fight is very active in the west. 38,000 acres burned, bigger than the city of san francisco. nearly 70 structures destroyed. and new evacuation warnings. and a new fire to the south -- and the goose fire in fresno county, forcing hundreds of people out of their homes. 500 acres burned so far. next tonight, donald trump under fire again. th parents of a slain muslim army captain. trump on "this week" telling george stephanopoulos about his own personal sacrifices after the soldier's father attacked trump at the democratic national convention. trump also speculating about why the soldier's mother did not speak on stage. the gold star family also responding tonight. david wright on the campaign trail. >> reporter: tonight, rising anger over donald trump's

>> sacrifice. i don't think he knows the meaning of sacrifice. >> reporter: the father of a u.s. soldier killed in iraq accused trump of having a "black soul" for telling george stephanopoulos he's made sacrifices comparable to his son's. >> i work very, very hard. i've created thousands and thousands of jobs, tens of thousands of jobs, built great structures. i've done -- i've had tremendous success. >> those are sacrifices? i think they're sacrifices. >> reporter: defending himself after this emotional moment at the democratic national convention. >> you have sacrificed nothing and no one. >> reporter: trump also called out the soldier's mother, who stood by silently as her husband spoke. >> if you look at his wife, she was standing there. she had nothing to say. she probably -- maybe she wasn't allowed to have anything to say. >> i was in pain. if you were in pain you fight or

>> he is a black soul. and this is totally unfit for the leadership of this beautiful country. >> reporter: today trump tweeted, "i was viciously attacked by mr. khan. am i not allowed to respond?" he called khan's son a "hero," but insisted, "this is about radical islamic terror and the weaknesses of our leaders to eradicate it." >> he is temperamentally unfit and unqualified to be president of the united states and commander-in-chief. khan family just reinforces the doubts that any american should have. >> reporter: this whole controversy has given the clinton campaign a boost, as well as some common ground with republicans. today, the house speaker paul ryan said in a statement, "many muslim americans have served valiantly in our military. captain khan was one spruch ime example." tom? >> david, thank you. next to texas, and another

the investigation into the deadliest hot air balloon crash in u.s. history. the ntsb sharing this photo of the balloon on the ground. landing three-quarters of a mile from the basket. as new video shows the hot air balloon in flight just moments before disaster struck. as we learn new details about the 16 people that perished, here's david kerley. >> reporter: this is the actual flight that ended as the deadliest balloon tragedy in the nation'sis tonight, some of the first clues. ntsb investigators on the scene confirming it hit transmission lines. and there may have been fog in the area. >> there's physical evidence that indicate the balloon hit the wires themselves and not the tower. >> reporter: it was shortly after sunrise. 7:40 a.m., the balloon is nearing the landing zone.

stories high, are hit. >> like a gunfire explosion. >> you saw a big fireball go up, and it was just praying that whoever was there got away from the thing in time. >> need you en route, fully engulfed in flames. unknown injuries. >> reporter: crews are on the scene at 7:55, finding injuries and death. >> it's a ton ofun congratulations, you're all a aeronauts. >> it's much more horrific to lose innocent passengers. >> reporter: it was the worry of an accident like this one, and several others, like these caught on camera, which caught the attention of the ntsb. two years ago, asking the faa to enact additional oversight of the growing balloon tour

the faa did not take action. >> it's an unacceptable response. >> and david joins us now. the investigation is just beginning. have they gathered any other evidence that will help them figure out what went wrong? >> reporter: yes, a lot of physical evidence. they found 14 cell phones and 3 cameras. the cameras were severely damaged, but they're hoping the photos will help them with the last minutes of flight. wh what were the weather conditions? a lot of answers potentially on the devices. tom? >> thanks. and we're learning more about the pilot and the 15 passengers. here's phillip mena. >> reporter: tonight, families waiting for word, coming to grips that their loved ones may never come home. >> it's a lot to take in. >> reporter: jan stewart's

husband matthew, sent snapchat pictures the morning of the disaster. she hasn't heard from them since. >> she started snapchatting with me, then all of a sudden, they came to an end. >> reporter: the couple from san antonio, newlyweds, married only six months ago. >> always saw the best in everything and in everyone. she lived life to the fullest. >> reporter: the family of joe and teresa shaffer also fear they are among the deceased, telling abc news the couple cherished spending time with their kids and grandchildren. skip nichols, the pilot and owner of the company that operated the balloon, tonight being remembered by friends. >> he loved what he did. his utmost, utmost priority was the safety to his passengers. >> reporter: tonight, authorities telling us that many of the victims will need to be identified by their dental records, a process that could take weeks, even months. tom?

a manhunt under way in austin, after one person was killed in unrelated shootings. authorities say the chaos began when this suspect, endicott mcray fired into a crowd. killing one woman and injuring three more. he remains at large. minutes later, shots fired in a parking lot nearby. in that incident, the gunman taken down by witnesses. authorities later confirmed, the incidents were unrelated. the zika virus transmitted by mosquitoes here. mosquito control continues to spray. still no travel warnings, but as eva pilgrim reports, there is anxiety, especially among women trying to have a baby. >> reporter: tonight, south florida on edge, waiting on test results to hear if more people have zika. >> it's really scary. >> reporter: so far, four people confirmed with zika, at least two bitten by mosquitoes in this one square mile of miami next to

neighborhood, where health workers are going door-to-door, testing to see if more people have zika. >> i'd rather know than not know. >> reporter: while the british government is telling pregnant women to avoid travel to florida, the cdc still not issuing any travel warnings, saying they are evaluating the situation every day. experts say it's likely the number of people infected will grow. >> we have to anticipate that there could very well be others. >> reporter: mosquito control, on the front lines in the fight against zika, hitting trouble spots hard today, trying to kill the bugs. >> they did put some pellets, because the cans do draw mosquitoes to the water. >> reporter: zika symptoms are mild in most, but can cause severe birth defects. >> i am 25 weeks today. >> reporter: rasia mendoza knows what's at risk for her baby, and she isn't taking any chances. >> i douse myself in repellant, i carry it in my purse.

lose one. >> reporter: zika-carrying mosquitoes don't travel very far from where they're born. less than half a mile, which is how health officials have been able to zero in on this very specific area in hopes of limiting the spread. tom? >> dr. richard besser is here. should women be careful of traveling to south florida? >> what we know is, neighborhood around miami. if you're pregnant, or trying to become pregnant, you may want to avoid that area. but the rest of florida is like 30 states where the risk of mosquitoes that could transmit this disease exists. so, use repellant, but follow travel warnings. tom is this? >> thank you. and pope francis,

more than 1 million people. celebrating mass in krakow, the culmination of his five-day trip to poland. urging young people to take risks but stay positive. and also condemning recent terrorist attacks around the world. back home tonight, and a heart-stopping car wreck in florida. incredibly, the driver survived, and has witnesses to thank. here's adrienne bankert. >> reporter: this heart-stopping crash came out the car flipping over nearly a dozen times. police examining this video to determine why the driver lost control. good samaritans come to the rescue, flipping the car right side up, and pulling the man through a window. luckily, no one else was hit. the driver taken by helicopter to a local hospital. >> it gives me goose bumps, that the car did flip so many times. and that there was somebody in there that survived. >> reporter: no doubt, bystanders made a life or death

we're told he's being treated for his injuries, including head trauma. tom? >> adrienne, thank you. still ahead tonight, why three walmart employees are now facing manslaughter charges. also, a girl left in a scorching hot car. firefighters to the rescue just in time. the tips to prevent this from happening. and later, why this grocery store is the talk of one new hampshire town. after one lucky shopper's huge lucky break. shopper's huge luck

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colorado, shattering a window to rescue this little girl, accidentally locked inside a vehicle on a hot day. tonight, first responders again reminding parents of the danger. >> even on a 70-degree day, we can see temperatures well over 100 degrees very quickly. so a minute in the car for the kid is too long. >> reporter: this girl, unharmed. but in just the past eight days, at least two other children dying, trapped inside cars in the middle of a heat wave. church, later discovering his 3-year-old son in the family vehicle. >> i'm really upset for the family. >> reporter: and in missouri, a 2-year-old boy playing outside, losing his life after accidentally locking himself in a hot car. it's happening more often. already this year, 23 children across the country have died of heat stroke in vehicles. compared to 25 children in all of 2015. >> it seems easy, but anybody

wallet in the back seat, it's going to make you look in the back seat again. >> reporter: and now, some vehicles and car seats come with technology that can alert drivers, reminding them to look in the back before getting out of the car. tom? >> marci, thank you. when we come back, chaos breaks out in a maximum security jail. correction officers face off with a group of angry inmates. how they got the dangerous situation under control. an pulled off, that's never been done before, and he did it without a parachute. stay with us. s. today, there's a new option. introducing drug-free aleve direct therapy. a tens device with high intensity power that uses technology once only available in doctors' offices. its wireless remote lets you control the intensity, and helps you get back to things like... this... this... or this. and back to being yourself.

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back now with our "index." starting with three walmart employees who were trying to stop a shoplifter and are now charged with manslaughter. investigators say the alleged shoplifter stopped breathing while being held down by these three employees earlier this year. an autopsy found the 64-year-old man died of asphyxia due to restraint, and he had 15 broken ribs.

revive him while calling for an ambulance. new images tonight of a dramatic standoff inside a chicago jail. take a look. inmates scattering after officers used flash grenades to end the chaos. it started when two inmates held another inmate hostage with a start object. when it ended, those two taken into custody. one person was hurt. now somewhere out there, there's a new multimillionaire. we still don't know who the person is who won that $487 million powerball jackpot, but we do know that the ticket was sold at a hannaford supermarket in raymond, new hampshire. it's the eighth largest jackpot in lottery history. still ahead tonight, free falling. a skydiver plunging 25,000 feet without a parachute. that's right, without a parachute. his life depending on a small target he had to hit. that heart-stopping moment. stay with us. hit.

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finally tonight, imagine jumping from a plane 25,000 feet in the air without a parachute. one man just did it, and lived to tell about it. here's kayna whitworth. on how he pulled it off. >> they're off! >> reporter: free fall -- this man in green plummeting 25,000 feet to earth, no parachute, no wing suit. broadcast live on fox television, the world watching. what makes you the most nervous? >> i got a wife and a son. i plan on being here for a long time, being a pain in his neck

>> reporter: so how did luke aikins pull off the death-defying feat? a 100-foot-wide net 20 stories off the ground, his only chance at survival. his helmet beeps and red lights on the ground flash if he's off target. >> i came out here, turned on all my lights. >> reporter: dummies dropped from helicopters to test the net, one crashing right through. his team making adjustments. aikins himself dropped from a crane, learning to angle his body and land on his back. then, the practice jumps. how many times have >> i have roughly over 200 jumps training for this. >> reporter: speeding down at 120 miles an hour. the daredevil nails it. >> he's in, and he's kicking and moving. >> reporter: landing to cheers and relieved hugs. >> history made as he hugs his wife. >> reporter: luke aikins surviving the ultimate thrill ride. kayna whitworth, abc news, los angeles. >> now, that's a landing. "gma" first thing in the morning. david muir will be right back here tomorrow night. i'm tom llamas in new york.

ribeiro: here's a sneak peek at tonight's "afv." we know you're gonna love it. ? oh, oh, oh, oh! oh, ah! man: give her a hug. [ screams ] [ laughs ] man: wait up! [ woman laughs ] ? welcome to... and now here he is, the host of our show, alfonso ribeiro! hey! [ cheers and applause ]