now at 11:00 -- dozens killed in a suicide bombing in istanbul. the city's airport the target, with signatures of an isis attack.

plus, the impact on travelers here at home. heavy rain sparks flash flooding in our area. trees and wires down. what's next in our forecast? and vice president biden's cancer moon shot, lifting off at howard university tomorrow. news4 at 11:00 starts now. >> good evening. tonight, the international community is condemning the terror attack at istanbul's airport. the latest count tonight, 36 dead, plus three suicide bombers. >> it's now 6:00 wednesday morning in turkey. and some flights are resuming as investigators try to confirm whether this was, indeed, an isis attack. chris lawrence is following developments. he's at our live desk. chris? >> reporter: we're getting a much clearer picture of what exactly happened at the airport and who was responsible. but we want to warn you, one video shows what we think is an

this looks to be cell phone video that captures what's on one of the closed circuit monitors. it looks as if at least one blast has already gone off. then as people running, there is another flash somewhere else in the terminal. turkey's prime minister says the terrorists arrived in a cab. first, an attacker started shooting up a parking lot and blew himself up. a second man detonated his bomb at the entrance to the international arrivals area. he blew out the glass wall, allowing a third suspect to get in. turkish forces reacted, describing how an officer wrestled the third man to the ground but couldn't stop him from detonating his bomb. the prime minister says initial indications point to isis, and a seni u

saying it's likely the work up to 35 fighters that isis sent to turkey before ramadan. wendy? >> chris lawrence, thanks. the tsa and homeland security are monitoring the developments in turkey, but there's been no change in security at airports here in the u.s. and while the state department is warning americans about travel to turkey, some flights to istanbul are resuming tonight. news4's shomari stone is at dulles where one flight is due to take off. >> reporter: that's right. the wash dulles international flight to istanbul is boarding right now as we speak. you may ask why would anyone want to fly to turkey after what happened? the people i talked to tell me they are not going to allow what they describe as terrorists to win. they refuse to live in fear. what was your reaction when you heard about the attack?

>> reporter: elena and her husband are flying from dulles to turkey on a vacation. hours after suspected islamic state group extremists killed dozens of poem at the airport. >> to all the families that lost their members. it's really sad. but that's what the terrorists want us to feel like. they want you to cancel everything. >> reporter: some people waited for more than three hours to make sure their 11:00 flight would take off on time. >> i'm shocked, puzzled. >> reporter: kelly galaway has a business trip. she must go. >> i'm nervous to go to turkey if they just had an explosion and gunshots in the airport. >> reporter: tonight, even though the state department advises u.s. citizens to avoid istanbul, this couple is going regardless and they're determined to have a good time. >> the only way for me to fight back against terrorism is not to change my life. so we're not going to be scared. we will still go. >> reporter: and ton,

flight from istanbul arrived here at washington dulles international airport. the travelers walked through customs and met their family and friends with hugs, balloons, relieved to be back here in virginia. live, shomari stone, news4. folks, we have been in weather alert mode all evening long. storm team 4 tracking rain, thunderstorms, as they roll through our region tonight. viewers reporting a lot of heavy rain and lightning in some spots. >> once the rain let up, chopper 4 went up over a home in silver spring where a tree landed on top of this suv. nobody was hurt. same thing in college park tonight. trees lifted right out of the ground and property damaged. the storms so strong, it lifted pieces of roof right off this apartment complex. doug, the storms have been slowly moving out of our region, but we're not done just yet. >> we're not. most of the rains down to the south and

southern maryland, but we saw a lot of damage with these storms coming through the area. we saw a severe thunderstorm watch across much of the region today. those storms came through and did produce some severe thunderstorm warnings. these are the latest storms and now they're traveling towards the south. you can see the first storms here that prompted warnings. numerous trees down in loudoun county, faulkier county and prince william county, all of these are severe thunderstorm threats here. that's a new severe thunderstorm warning towards the south. i'll zoom on in down here. this is down around fredericksburg. a brand new thunderstorm warning just issued, that's the beeping you hear there. the heaviest storms from fredericksburg to the south. these are flash flood warnings. remember, turn around, don't drown. never go through a flooded roadway. new severe thunderstorm warnings, southern spots most likely until 11:45.

tomorrow, the so-called moon shot to cure cancer makes its next giant leap. vice joe biden will host a cancer summit put on by howard university. one of the focuses, personalized cancer care. new research is showing different ethnic groups such as native americans, have different cancer cells. so now doctors are starting to tailor their special treatments in hopes of dramatically increasing the survival rates. the summit will also toe kus on cancer care for poor and rural communities. news4 will sit down with the vice president for a one on one interview after the summit. watch her report tomorrow night at 6:00. ♪ it is video you will only see on news4. a confrontation outside the white house last month. we just got this video in. this is the chaos that

31-year-old of pennsylvania shot by a secret service agent after refusing to drop his gun here the south entrance. president obama was not home at the time. a security expert tells us officers did exactly what they were supposed to do in this situation. >> they did all the right things. and unfortunately, this person seemed to want to get shot, because he wasn't listening to the directions of dropping the weapon and stopping. and unfortunately he was shot but it was the right thing to do. >> he's going to be okay, his attorney asked him be held at home detention. d.c. police identified the man who may have tried to commit suicide by cop. officers responded to the pleasant hills apartments after someone called 911. there, they found 63-year-old sherman evans outside with a

gun. police say they shot and killed evans after he refused to drop the gun and actually pointed it at the officers. officers later learned the weapon was a bb gun, and they're now wondering and investigating if it was evans who called 911. the four officers awaiting trial in the freddie gray case are asking for their cases to be thrown out. that's according to the baltimore sun. attorneys for lieutenant brian rice, officer garrett miller, officer william porter and sergeant alicia white filed similar motions based on what they call defects in the prosecution's case. rice is the next officer set to stand trial, starting next tuesday. last week, you'll recall a judge acquitted officer goodson. he faced the most serious charges in gray's death. one week from tonight, metro begins another safe track shutdown, affecting not just the rails and the roads but people who fly in and out of reagan national airport. the yellow and the ue

between braddock road and national. and that could mean more vehicle traffic at the airport itself, which has already been dealing with traffic jams of late. metro says shuttle bus also be running but they'll have to mix in with the often challenging northern virginia traffic. riders are making adjustments. >> instead of going to this stop by bus, i'm going to have to go to pentagon city, which means they'll have to reverse my bus route and take two transfers, instead of my usual straight shot in. >> the first two surges have been a success, thanks to the patience of metro's riders. some bad news for riders for when metro shuts down the red line later this summer. news4 learned that maryland won't be expanding service during that shutdown because of a conflict with csx trains. the state says csx can't make the necessary

maryland has also ruled out a shuttle system that would have carried passengers back and forth between union station and rockville on marked trains. new tonight, a group of residents said no to fairfax county's plan to move a homeless shelter. the county wants to temporary he relocate the bailey's crossroads shelt tore an empty field. that shelter is currently located on columbia pike, but it's being ousted by new development. tonight, the mason district land use committee voted against approving that project, many concerned that it would not be temporary and too expensive. another public hearing will be held next month. next, a high tech tool at a high school gives a local 6-year-old something he has never had before. tonight, how his big brother made it all happen. robots making deliveries of packages in d.c.

see how one company is getting around the district's ban on drones. and did you see it? some surprises tonight at the olympic swim trials michael p.he over the next 40 years, the united states population michael p.he is going to grow by over 90 million people and almost all that growth is going to be in cities. what's the healthiest and best way for them to grow so that they really become cauldrons of prosperity and cities of opportunity?

s that if that family is moved into safe, clean, affordable housing, places that have access to great school systems, access to jobs and multiple transportation modes then the neighborhood begins to thrive and really, really take off. the oxygen of community redevelopment is financing. and all this rebuilding that happened could not have happened without organizations like citi. and citi has formed a partnership with our company so that we can take all the lessons from the revitalization of urban america to other cities, so we are now working in chicago and in washington d.c. and newark. its amazing how important safe, affordable housing is to the future of our society.

♪ new tonight, california could be the next state to legalize recreational marijuana. people in favor of the measure filed a petition todd with more than 360,000 signatures to get the issue on this november's ballot. the measure would allow people 21 and older to

pot and marijuana products at licensed facilities. state officials there say the measure could raise as much as $1 billion a year in revenue. 3-d printers can make all sorts of cool things. but one loudon county high school student used the technology to help his little brother. they've been doing research to find a prosthetic hand for his little brother, lucas. they found an organization that provides the designs for free. gabriel took the next step. he kept at it, and about ten days ago, lucas and his mom came in to try on his new prosthetic hand. it was his 6th birthday. >> what do you think, looking at his face? it was amazing. >> it's easy to grab stuff. >> he wouldn't grab

excited with it. >> gabriel says the success makes him want to continue making prosthetics for other children in need. >> go, lucas. well, you've heard it over and over again. d.c. is a no-drone zone. remote aircraft not allowed anywhere in the district. but what if the drone doesn't fly? the d.c. council gave the okay for one company to test drones that operate on the ground to deliver your packages. ♪ >> reporter: a vote thursday by the d.c. council has given approval to test robot delivery technology in the district. it's the first time so-called ground drones, which look like picnic coolers on wheels, have been approved for testing anywhere in the u.s., according to maker starship technologies, based in estonia and london.

d.c. residents we spoke to, some of whom have had packages stolen from their front steps, were intrigued by the concept of on demand delivery. >> that's cool. i'm excited about that. >> these new delivery ideas are wonderful. if it works, i'm all for it. >> amazing i know that the drones have been coming and the aerial ones have been controversial. >> reporter: the company brought a prototype to the nation's capital for a photo-op last sprik spring. the program runs from september to december, a chance to work out the kinks that include things like vandalism. any company that wants to test the robots or ground drones is limited to five of them at a time. jackie bensen, news4. tomorrow morning, a special delivery from the volunteer rescue squad montgomery county to clay county, west virginia. they're donating an ambulance to the

of theirs were swallowed up this weekend. those floods have killed more than two dozen people. chief mark dempsey says he's grateful to be in the position to help. >> good for them. >> yeah. >> and they got a little relief today. but boy, the rains are a little relentless in these parts. >> they have been lately. two flash flood warnings in our area right now, so some flooding going on. we've seen those storms come through and really they started around 4:00. that's how long we've been in weather alert mode near at nbc 4. storm team radar tracking the storms over the last six hours and they hit faulkier, fairfax county, loudoun county. even the nats game was delayed as a result of that rain. two rounds of rain at nats park. you can see most of the activity, most of the stronger storms now down to the south. heaviest rain towards charles county, northern st. mary's,

across the river, very heavy rain and thunderstorms around the fredericksburg area, and down i-95, inclouding a severe thunderstorm warning for spot sylvainian county. there's the warning, close to woodbridge and quantico. this one just issued in fredericksburg until 1:45 in the morning. please, never drive through flooded roadways. give yourself a lot of extra time overnight and tomorrow morning we could sew some problems. no problems from actual storms tomorrow. this whole system is moving off. as it does, we'll see much drier air move in. temperatures, 70 in gaithersburg. 71 in quantico. i don't expect temperatures to fluctuate that much. by tomorrow morning, sun is up around 7:00 and temperatures on the rise. 72 degrees, a very nice start to the day with cloud

this on our wednesday. we're talking about a high temperature of 84. and with low humidity and light wind, tomorrow is going to be a beautiful afternoon. we continue into the nice weather. highs on thursday with 85 degrees. plenty of sunshine both days. friday, a high of 89d. some location also hs will hit . saturday and sunday, both looking great. highs mid to upper 80s. the weekend looking good. monday, july fourth, looking very good most of the day, with the temperature around 81. but we're all worried about one thing, can we do, well, two things, barbecue look good? i think so. but fireworks, temperatures in the 70s. rain could be possible around the time of the fireworks. this is something we're going to continue to track here, as we move on through the next couple of days. a lot of time to watch this next system, but it looks like we could see some rain around, so

slight chance of that rain late in the day. tuesday, looking pretty good with a temperature around 87. we have to watch on monday. all eyes on that july fourth holiday. but most of the weekend looking pretty good. >> thank you, doug. coming up, mother nature, the onlyhing t

it's our new intern, bart's first week here at td bank, he's a robot from one of those other banks. we're training him to bank human. i am banking assistance & registration technology. wait, wait, wait. but you can call me, banking assistance & registration technology. hi amy. thank you. thank you. that is not protocol manager jenna. that's ok bart, it is here.

like having the longest hours of any bank. don't just bank. bank human. thanks to doug, carol, we've had two rain delays andy

>> it didn't ruin the night, though, for the young righty. >> my forecast was right, though. >> way to go, doug. let's give it up for doug, thank you so much for that. dusty baker reminisced about his first call when he was 19 years old and he remember hank aaron told him to be nervous and not scared. tonight, 21-year-old lieu kus making his debut. baker taking things into his own hands. and there is lucas. welcome to the bigs, my man. he gets his first major leak strikeout. save that for the trophy case. bottom second, anthony randone this is a smack to deep right

buffalo roaming. and the buffalo is safe. the nats take the 1-0 lead. another rain delay, this one an hour and 25 minutes. thank you, doug. so lucas' debut cut short. when they did get going again, so did bryce harper. you love to see that. bryce making everyone's night. 16th of the season for him. and right now, the nats are up 3-0 in the 6th. orioles in sunny san diego, visiting the padres. adam jones, a san diego native, he came to play. jonesy crushing this ball to right. that's a long way over the fence. and it goes! 11th home run in the month of june for jones. orioles out to a 1-0 lead. in the second, after a melvin upton home run, j.j. hardy crushes

looks like it's sailing to be a homer, but upton robs him. just an incredible play from that center fielder. but right now, the orioles up 4-1 in the fifth. 22 medals are not enough. michael phelps is looking to make his fifth olympic team. after two days of watching the trials, he got back in the pool today and he got right back to dominating. he didn't really use his legs. he's pulling ahead of the pack at 100 meter turn. the current world recorder holder, no one is catching him. touching the wall, coming up way ahead of the pack. 1:55 .17, the top seed going into tomorrow night's final. another olympic swimming

she's going to have to make another day to see if she's going to make the team. she's in lane one. the very top of your screen, back of the pack. she won gold in the london olympics. she's struggled lately. she finished seventh overall. kind of shocking when you finish seventh and won gold in london. she misses a chance to defend her title. we'll see if she can make the team. >> wow.

nats going to finish that game tonight? >> the heaviest rain still to the south. still tracking areas of flooding. >> thank you for watching tonight. >> have a good one.

[ cheers and applause ] ♪ >> steve: from studio 6b in rockefeller center in the heart of new york city, it's "the tonight show starring jimmy fallon." tonight, join jimmy and his guests -- drake, megyn kelly, musical guest, meghan trainor,