tonight, the outlandish video sent out by the president, showing him knocking down and punching a man who's a stand-in for cnn. is it comedy or a threat to the media? and is settling scores taking over president trump's agenda? breaking news. engine on fire. the frightening scene on the runway. passengers rushed off the plane. flames shooting from the engine. trapped. the deadly home explosion and the scene of destruction. the blast happening as workers were trying to repair a gas leak. breaking news in that road rage killing. a suspect turns himself in. police say they found the weapon he used to shoot that 18-year-old girl. assault on isis. our team on the front line in the battle for mosul. iraqi and u.s. forces about to finish the job, as families are caught in the crossfire.

and, wild weather. tornadoes, violent storms, and flooding rains. campers scrambling. roads washed away. tonight, what's in the forecast for your holiday plans. video and raising the question, is his social media habit hijacking his agenda? as republicans struggle with health care, and a major meeting is set with vladimir putin this week, the president instead focused on attacking the media. tweeting this mock video of him tackling then punching a man who represents cnn. is this shocking image of the president just comedy, or could it incite violence against the media? here's gloria riviera. >> reporter: tonight, president

trump escalating his war on the media. tweeting a mock video, showing him outside a wrestling ring punching and tackling a man with the cnn logo covering his face. trump's homeland security adviser tom bossert, seeing the video for the first time on "this week," defending the president. >> there's a lot of cable news shows that reach directly into hundreds of thousands of viewers, and they're really not always very fair to the president. so i'm pretty proud of the president for developing a twitter and a social media platform where he can talk directly to the american people. >> is that the kind of communication that you want, that he's beating up on somebody? that he's beating up on the media? you're in charge of homeland security there. that seems like a threat. >> yes, it's certainly not, though. i think that no one would perceive that as a threat. i hope they don't. >> reporter: abc news contributor ana navarro, who is also a cnn contributor, saying trump's message could have consequences. >> it is an incitement to violence. >> reporter: the white house did not respond when asked for a comment. but earlier this week, during the president's twitter tirade

against msnbc co-hosts joe scarborough and mika brzezinski where he called them "crazy" and "dumb as a rock," spokeswoman sarah sanders insisted -- >> the president in no way, form, or fashion has ever promoted or encouraged violence. if anything, quite the contrary. and he was simply pushing back and defending himself. >> reporter: during the campaign, at some trump rallies there were outbreaks of violence against protesters. at times then-candidate trump appeared to encourage it. >> if you see somebody getting ready to throw a tomato, knock the crap out of him, would you? we're not allowed to punch back anymore. i'd like to punch him in the face, i'll tell you. >> reporter: but last night trump making it clear. his main opponent now is the media. >> the fake media tried to stop us from going to the white house, but i'm president and they're not.

>> gloria, the president seems to be focusing much of his attention on attacking the media. but he has a full agenda this week. >> reporter: that's right. the focus point on health care, in such a precarious state. and in addition, one of the most important meetings for this president to date. a one-on-one with vladimir putin, expected to take place in germany this week. >> gloria, thank you. next to the breaking news from denver. an engine on a passenger plane catching fire as it was landing. emergency crews rushing to the scene as the passengers ran out to the runway. here's stephanie ramos. >> reporter: tonight, panic on board this plane in denver as flames shoot out of the engine. >> it's 5869, we're observing flames from here. >> we got a crj on fire. >> reporter: flight 5869 on its way from aspen to denver, touching down safely.

then, while taxiing, the pilot reporting a fire onboard. >> it's not a brake fire at all. it's a fire out of the atu engine compartment. >> reporter: seconds later, all 59 passengers scrambling off the plane and onto the runway to safety. firefighters rushing in dousing the flames. one woman snapping this photo moments after being evacuated with her young family. skywest tells us everyone got off the plane safely and there were no injuries. but tonight that investigation into what caused the fire just getting under way. tom? >> stephanie, thank you. next to the neighborhood rocked by a deadly explosion. a home blown to splinters in the sudden blast just before workers were called to the scene to repair a gas leak. one of the workers did not survive. three others injured. here's erielle reshef. >> reporter: tonight, piles of debris, the only remnants of a pennsylvania home leveled by a powerful and deadly explosion.

the moment caught in these photos. disaster striking as workers tried to plug a gas leak. >> we just got an explosion. >> reporter: the force of the blast killing one worker, injuring three others. this video showing the immediate aftermath. a plume of smoke rising into the air where this white house once stood. gas leaks causing more than 40 explosions across the country so far this year. just last month, this home in new jersey blown to pieces. that same day, two houses in chicago flattened. in both cases, the people inside narrowly escaping. a neighbor smelled gas and called the utility company. workers warned the woman inside, who managed to get out before the explosion. >> thank you. next, an arrest in the road rage killing that made national headlines. an 18-year-old girl gunned down on the highway outside of philadelphia. tonight, a suspect is behind bars facing multiple charges including first degree murder.

here's adrienne bankert. >> reporter: the man who authorities say mercilessly shot and killed 18-year-old bianca roberson in a fit of road rage is in custody tonight. authorities say david desper turned himself in overnight as they were closing in on him. >> the west goshen police department, chester county detectives were not going to give up. >> reporter: that red pickup, seen in highway surveillance images, found at the 28-year-old's home. investigators also locating the .40 caliber handgun they believe was used to assassinate roberson, saying desper was licensed to carry it. >> the act of pulling the gun, aiming the gun, and being able to shoot somebody in the head from one moving vehicle to another is a calculated act. >> reporter: the recent high school grad was driving home last week after shopping for college. investigators saying cameras show roberson's car and desper's truck jockeying for position as they merged on the highway. desper pulls out his gun and shoots roberson.

his truck then seen speeding off. roberson, just days away from college orientation. >> we was all proud of her. because we knew she was going to be something and do something with her life. >> reporter: her father now wears her necklace in her memory. >> never going to take it off. it's my daughter. >> reporter: desper now being charged with first degree murder. authorities say there is no indication this was a hate crime. tom? >> adrienne, thank you. we want to head overseas now to the battle to take out isis. on the verge of making back mosul. the forces scoring an emotional victory. but thousands of civilians are still trapped by the fighting. ian pannell inside the city under siege. >> reporter: tonight, a city on the verge of liberation. isis swept along these streets three years ago. now much of mosul is an ancient city in ruins.

but watch what happens. a sudden stream of people emerge from the rubble under a backdrop of gunfire. people died, shout the men. my brother was killed. dirty, dazed, and distressed. one old man tells us they were escaping from isis. they'd clearly been caught in the crossfire. those unable to walk, carried out on the backs of others. a dozen, two dozen people -- men, women, old men, children. some of them clearly badly injured. there's nothing here, no facilities, no hospital, no care. civilians have been routinely kidnapped, tortured and killed by isis. no one knows how many have died here. or how many are still trapped. some people held as human shields. as you can hear, the battle is still going on. they think there are one to 200 isis fighters are holding out. what makes this so hard is that they're willing to stand and

fight to the death. the ranks of the dead and wounded grow daily. humvees hurtle past as makeshift ambulances. u.s. and iraqi officials say isis will be defeated in days. but don't expect peace anytime soon. that's because there are still significant isis pockets nearby, some cities that had been liberated have been attacked again. and don't forget the battle for raqqa, the capital of the so-called caliphate, has only just begun. tom? > >>' ian, thank you. and in syria, jihadi militants are suspected in a series of car bombings. suicide attackers in three separate vehicles blowing themselves up as security forces closed in. 18 people killed. no group has yet claimed responsibility. but isis and al qaida have both attacked inside that city. and new reporting on the hospital shooting in the bronx.

he had been fired from the hospital, and returned with a gun underneath his lab coat. he killed a doctor and injured six people before taking his own life. one remains in critical condition. this water spout in maine. two confirmed. wind and rain in allentown, pennsylvania, blowing this plane upside-down. here's rob marciano, tracking it all. >> reporter: dark storm clouds rolling in as extreme weather slams parts of the east this holiday weekend. watch this rare waterspout tear across a lake in maine. the same storm toppling trees and knocking out power to thousands. this fire sparked by a downed power line. torrential rain wreaking havoc on holiday travel, swamping roadways in utica, new york. >> the water just came gushing down here. >> reporter: this road in new hampshire, nearly washed

away by heavy rain. >> third alarm water rescue with a mayday. >> reporter: in new hampton, flash floods engulfing 160 campsites, rescue boats required to get campers out, everyone safe tonight. >> they did see it on fire and saw it come down. >> reporter: a plane crashing in georgia, killing its four passengers. a thunderstorm in the area may have contributed. and in the southwest, -- in pennsylvania, 60-plus mile per hour winds flipping over this plane. and in the southwest, hard-hitting hail ricocheting off the ground in new mexico, forming a river of ice and water. >> rob joins us now. what is the weather forecast looking like? >> a little less organized, but pop-up thunderstorms can sometimes pack a punch. flash floods, 60-plus mile an hour winds, and they will continue to press off to the east. the southeast, moisture,

humidity, scattered thunderstorms, tonight and tomorrow. warm and dry out west, likely for the next two weeks. drying things out once again in the wildfire zone. tom? >> thanks. next, a big break in the case of a missing graduate case from china. a suspect under arrest. and tonight, the surveillance images and the shocking clues allegedly found on his phone. here's lana zak. >> reporter: tonight, a college student missing. investigators say he used the internet to plot her abduction. yingying zhang, disappeared this month. >> they won't leave until they find her. >> reporter: these surveillance pictures, the last known images of her. on june 9th, at 1:35 p.m., she's seen boarding a bus near campus. texts she's running late for an appointment. then at 1:52 p.m., she exits and unsuccessfully tries to flag down another bus.

then, just after 2:00 p.m., a black saturn pulls up. after a few minutes, she gets in and they drive off. authorities, tracking down that black saturn and arresting brendt christensen. who just got his master's degree in may. he was part of the university's highly competitive physics program. >> those that knew him are quite surprised. >> reporter: investigators saying they found evidence on his phone. he'd visited an online forum called "abduction 101" and "perfect abduction fantasy." and "planning a kidnapping." authorities believe the victim is no longer alive. and they're search for his body. christiansen's hearing will be tomorrow. there's still much more ahead on "world news tonight" this sunday. the breaking news on the rail road derailment in the west. plus, cashing in early on some of the giant discounts you're hearing about online. and keep your eye on the lead dog in this race. what we're learning tonight about the front runner and what his owner allegedly put in his

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back now with the big holiday sales ahead. with some deals better than black friday, amazon prime and other big promotions about to start. here's marci gonzalez about getting the jump on some discounts. >> reporter: on this holiday weekend, shoppers are out searching for sales. nchts there's always a great sale, and i'm always looking for something to buy. >> reporter: experts say look for deep discounts on shoes, swimwear and outdoor items. but some say the real shopping holiday is still a week away. amazon promising prime day will be bigger than black friday. starting at 9:00 p.m. july 10th and continuing for 30 hours, the online retail giant discounting hundreds of thousands of items and offering lightning deals up to every five minutes. >> if i don't have to get out of the house, why not amazon prime

it? >> reporter: tonight, amazon is already offering some bargains. you can get four months of its streaming music service for just 99 cents. but to cash in, you need to pay $99 for that yearlong s subscription, or sign up for the 30 day free trial. to make sure you're getting the best deal, check prices at big box retailers that offer free shipping with no membership fee. and make sure what you're about to buy is really on sale. you can check the price history of any item online, and use sites like price grabber to get the lowest prices. tom? >> marci, new. coming up next, the food recall involving a summer favorite at whole foods. we'll tell you all about it. and the new images coming in on a wildlife rescue we told you about last night. stay with us.

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finally tonight, "america strong." the officer who rescued a little boy and then changed his life. here's ron claiborne. >> reporter: a new beginning. a chance for a new life. a boy and an oklahoma police officer cementing their special bond. >> he was helpful to me. he's the reason i'm here right now. >> reporter: officer jody thompson rescued john, now 10, from deplorable conditions. investigators say he was abused and starved by his biological parents. officer thompson took him to the hospital and stayed by his side in the intensive care unit until he got better. >> when i seen him in that house i knew. >> reporter: he knew that he wanted john to be a part of his family. and that's just what he did. it took more than a year. but thompson and his wife adopted john. and now john is thriving.

a straight-"a" student. on the honor roll and in the gifted and talented program at his school. >> he went through more than many adults have been through. >> reporter: and more than that, when the thompsons found out john's biological mother had a baby girl in prison, they adopted his newborn sister, too. >> we picked her up at the hospital. she was barely 24 hours old and brought her home. >> reporter: another addition to the thompson family photo, a picture of hope and love, all because of a cop who does his job with his badge and his heart. ron claiborne, abc news. >> so tonight we salute jody thompson and john for being "america strong." we thing ron for that story. and we thank you for watching. i'm tom llamas. "gma" thirst thifirst thing in "gma" thirst thifirst thing in morning.

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ribeiro: here's a sneak peek at tonight's "afv."ans, we know you're gonna love it. it's not going to go. oh! [ laughter ] go, grandma! oh, god! [ cheers and applause ] welcome to "america's funniest home videos." and now here he is, the host of our show, alfonso ribeiro! hey! hello. welcome! welcome.