now at 11:00, families forced out of their homes by mother nature may never get back. >> we have to do what's best for us, for our family and our two small kids. >> the new plan they hope will let them move forward.

walking to end violence. what neighbors and police are doing to prevent another shooting in what's supposed to be a safe place for children. and d.c.'s marijuana law changing tomorrow. now it's not the only local law facing a fight in congress. a new option for families forced out of their homes by the ground moving beneath them. good evening. i'm jim vance. >> and i'm doreen gentzler. two months since a slope failure forced dozens of neighbors out of their homes in ft. washington. tonight prince george's county laid out a plan to buy out some of the affected houses and the clock is ticking on a decision. nu news 4's chris lawrence joins us with the latest. >> reporter: the clock is ticking. they only have a few months before cold weather sets in. the people here did not get the

answer they were hoping to hear. and more and more, this is all boiling down to what is the worst of these people's homes right now? and that is something that people in maryland, d.c. and virginia can all relate to. tonight, the homes in piscataway pills sit on shaky ground. a new plan may save some. >> we still lose our house. but i think the other 22 get to stay. >> reporter: sharee owns one of six homes the county could by. >> we bought this home in 2008 hoping we would be there for a very long time. my husband and i had just gotten married. just starting the family with our kids. >> reporter: this new option would still require nearly all the homeowners to move out for up to six months as crews reinforce the slope that collapsed in a landslide in may. but for six families like this

one, the county would average the appraisal from two firms and make an offer on their homes. >> at least pay me fairly for it. >> reporter: residents who attended the meeting said even if they keep their homes, what are they now worth? >> we wanted to move south where my daughter lives. and suddenly we're hit with this. we'll never be able to sell it at this point. it's crushed us. >> reporter: is there a limit to how much money the county should provide to shore up private land? >> yes, $11 million is the limit. >> reporter: the new plan costs $15 million, meaning the county still needs millions from the state. >> we need it immediately. that can't be something the governor says, hey, we'll have this -- we'll look at it in general assembly in january. it's too late. >> reporter: up next is a closed-door meeting between the residents and county officials to hash things out further. but again, cold weather will be coming. right now, the only reason these

folks are in their homes, they have above-ground lines giving them water, sewage, electricity. that won't work in the winter and there seems to be no solution to allowing them to stay past that point. for now, i'm live in ft. washington, chris lawrence, news 4. >> thanks, chris. new tonight, a 20-year-old d.c. man has been arrested accused of robbing three banks in one day. his name is maurice douglas. police say he's the guy caught on surveillance video at two wells fargo banks and one td bank in the district on june 20th. he's also accused of robbing a pnc bank a couple of weeks earlier. neighbors in northeast washington are calling for improved safety around a local rec center. it was the scene of a triple shooting over the weekend. a shooting that's still unsolved. news 4's darcy spencer has more on what neighbors say needs to change. darcy? >> reporter: that is the rec center and the park attached to it right across the street from here. residents did a walkthrough of

that park tonight, along with police, and found some major security concerns. they say these problems will be addressed to make sure this place is locked down after dark. >> this gate over here. >> reporter: community leaders walked through the rec center park trying to figure out how there could have been a shooting here after it was closed sunday night. leaders found problems with security at the fenced-in park and playground, areas where someone could slip through the fence and a gate that couldn't be locked. >> when the community hears horror stories like this, it sort of makes them think a while. but we're on top of this and we're going to take care of it. >> reporter: d.c. police say these young people were involved in the shooting here at the park area sunday night. surveillance video shows them getting away toward the back of the property that was supposed to be closed and locked. >> we will have officers coming

through checking especially on the midnight tour. >> reporter: today neighbors did a safety walk in the community. the rec center shooting among their concerns. >> we have to be out here and be vigilant and let people know we're paying attention. let our neighbors know to look out for each other. >> reporter: residents say they want to keep this a safe place to play, not a place for gun play. >> i think it's concerning that there are guns around and that they're being used. >> reporter: now, all three people who were shot in that shooting are expected to be okay. d.c. police are asking for help in identifying those young people shown in that surveillance video. in northeast, darcy spencer, news 4. >> thank you, darcy. shop owners in d.c. are on edge and concerned that their jobs could put their lives in danger. they met with the police chief to talk about the recent robbery and murder at the gold corner

grocery and deli in northwest. the owner of that store, james oh, was beaten to death. the men who did it are still on the run. >> i am still concerned. i believe this can occur, yes. it is the possibility because there are a lot of criminals out loose out in the streets. >> the police have added new surveillance cameras in that area. the store where the beating happened is still closed. developing tonight, more problems at n.i.h. the food and drug administration revealed that lab workers found hundreds of vials of potentially deadly germs at the national institutes of health in bethesda. in all, there were 327 vials. many of them labeled dengue, influenza and "q" fever. the vials are now being tested. and that disclosure came hours after the director of the centers for dd control and prevention in atlanta testified on capitol hill. among the questions, the recent

mishandling of live anthrax. a highly regarded neurologist is out on bail tonight after he was arrested and charged with prescription fraud. his name is dr. sam oraee. he's been practicing for more than 20 years. a recent search warrant found he'd been writing prescriptions for narcotics without performing the necessary medical exams. this all comes as part of an operation called dragon slayer. that operation is set up to target distributors of pain medications in prince william county. and it has resulted in dozens of arrests. a cell phone camera captured this takedown. now nearly a month later, we've learned the suspect in a brutal beating is still undergoing a mental evaluation to see whether or not he's competent to stand trial. this man approached a man in rockville and hit him over the head with a large rock. he did not know the victim who's recovering at a rehab center right now. and we're told that his

condition is improving. developing right now in the middle east, a period of calm in effect between israel and hamas. both sides have agreed to hold their fire for at least five hours. that would be to allow humanitarian aid into the palestinian territory where as many as 1 million people are without water. the temporary cease-fire was requested by the united nations. the israeli military, however, has warned that if any attacks are launched during the pause, it will retaliate. while it's not an all-out war just yet, it appears to be getting very close. most of the casualties in recent air-strikes have been civilians. and today, nbc news cameras were there when disaster struck in gaza. four children were killed there. richard engel reports now from tel aviv. >> reporter: our camera recorded the shot. an israeli shell smashing into a gaza city port. it was brought daylight. there was no warning.

it wasn't the precision war israel says it's fighting. a group of boys, cousins playing on the beach, now running for their lives. until seconds later, another shell hit. israel claimed it was firing at hamas militants at the port. but the dead were four young boys. several others from the same extended family were wounded, including one who managed to crawl up the beach to a nearby hotel. medics rushed the boys to a hospital. parents started to arrive. and told what happened while expecting the worst. a mother asks, where is my son? where is my love? then, her worst fears came true. pray for your son, pray for your son, a relative told her, he is

now a martyr. as word spread, the other boys' families arrived. what were the boys doing, a father asked, they didn't have any rockets? he was my only son, said another. inside the hospital, nbc's ayman mohyeldin spoke with the wounded boy. he could barely talk, shaking and bleeding. we were playing, he said. i was with my cousins. then they died. in a statement, the israeli military said that incident on the beach is under investigation. but blamed hamas for fighting from urban areas. richard engel, nbc news, tel aviv. next at 11:00 -- the dangers of drones. >> you have floating landmines in the way of major commercial airlines. searching for katy perry.

what happened inside the kennedy family compound before this man was arrested for breaking in. the cool air is here and record lows are possible. my forecast is coming up. without the internet i would probably be like a c student.

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breaking news. an american teenager who claims he was beaten by israeli police is back in the u.s. tonight.

15-year-old tariq abu khdeir arrived in the last hour at the tampa florida airport. his face no longer bruised. the teenager originally from baltimore was visiting family in jerusalem when he was attacked and detained for allegedly taking part in violent protests there. after his flight landed, abu khdeir held a news conference asking everyone to remember the children who died in the conflict. one of his cousins is among the victims. in less than an hour now, police will no longer be able to arrest you for having small amounts of marijuana in the district. the decriminalization of an ounce or less of pot goes into effect at midnight tonight. while you cannot be arrested, you will get a ticket and have to pay a fine of $25. police have printed up small cards with the do's and don'ts of the new law. the main thing they want you to know, marijuana is still illegal. >> you can be arrested if you smoke marijuana in public, consume marijuana, have more than an ounce of marijuana or sell marijuana.

>> what is unclear is how long this law will be in effect. a republican congressman from maryland is working to defund the law with an amendment to a house spending bill. another republican congressman is using the same method tonight to take aim at d.c. gun laws. first-term representative thomas massie of kentucky introduced an amendment to a spending bill to defund d.c.'s gun control laws. the bill passed the house with the amendment. right now in the district, handguns have to be registered every three years and owners have to be fingerprinted and complete a safety course. the amendment would do away with all of those requirements. senate approval is still needed and sun likely. a close encounter over the skies of south florida. a pilot there recorded video of a drone on a collision course with his helicopter. this is what pilot paul bart saw coming towards him at a very high speed. he was in the air shooting video

of a charity race back in may when the unmanned aircraft appeared in the sky. >> it came at us. it went right underneath us. if that drone had hit my tail rotor and taken me down, i would have come down on 2,000 people in the street. >> the pilot followed that drone back to the home of the man operating it. his name is jeffrey. he says he did the best to keep the drone out of the helicopter's aircraft. both men called the federal aviation administration and the police. the faa is working on stricter rules for drones. being caught drinking underage is the least of one hawaii man's worries. 20-year-old kevin mosley was arrested by the fbi monday for getting drink on a british airways flight from l.a. to monday and making threats. crew members say he had a bomb, spit on and threatened to kill flight attendants and said he

would open a door on the plane. the fbi says the crew restrained him in handcuffs for most of the flight. he said he had several drinks during a nine-hour layover in london. he's out on bond now. the man accused of breaking into the kennedy family retreat in haiyyannis will have to waitr a month for his arraignment. today, the judge ordered a psychiatric evaluation for 53-year-old james lacroix. police say lacroix walked into the kennedy mansion through an unlocked door last night. 16-year-old ted kennedy iii was alone at the house at the time. he was not injured. lacroix told the police he was looking for singer katy perry and for jfk. chuck bell is here with a look at our weather forecast. a lot of people outside taking advantage of this spectacular night. >> i tried to eat at a sidewalk cafe and there were no seats

available anywhere in 14th street, logan circle, none of it. all the outdoor seats were taken tonight. the weather couldn't be more cooperative outside. we get to keep it for a day or so before the heat and humidity sneak on back. there's the view outside right now. another planeload of folks making a touchdown at reagan national airport. it's a beauty outside. 75 downtown. but the winds are calm and the dew points and the humidities are nice and low. so temperatures will continue to fall. inside the beltway, the urban heat island will really hold temperatures up. same thing along the shore. but into northern virginia, northern maryland as well it's going to be a cool one. 61 at 5:00 a.m. a lot of the suburbs in the 50s by 9:00 a.m. and overall, 64 in washington, 69, annapolis. but look at the 50s on the mouth.

it will be chilly in downtown but we won't get below 60 degrees. it's hard to get below 60 in july. d.c. reagan airport, only below 60 four times in the last 74 julys. the last time it happened, 2001. we've not set a record low in july here since 1988. not true in dulles, though. outside the beltway, it's a much cooler story. last two record lows in the month of july at dulles, 2009, 53 degrees. and 2002, 47. so it's a lot cooler once you get away from the urban heat island and also the warmer waters of the potomac. clearing skies for now. that will set the stage for the cool weather tomorrow morning in the suburbs. and there's plenty more cool air to come through the day tomorrow. and tomorrow night promises to be cool and comfy as well before things start to warm back up and moisten back up as we head towards the weekend. rain chances tomorrow, no chance for rain in much of the viewing area. there's a very low chance for a

few showers tomorrow, five or ten-minute-long rain showers, that's it. southern and central parts of the shenandoah valley. but i wouldn't worry about it too much. hometown forecast, hitesville, maryland, starting out at 60. into the low 80s and back into the mid-60s tomorrow night. low 80s in most of the metro. low 80s alongside the bay. don't forget your sunblock. uv index at a 9 tomorrow. that's in the high range for sure. and another cool night coming tomorrow night into friday morning. here's the all-important seven-day forecast. it's a good one indeed. why do i like it so much? there are no 90-degree numbers on that seven-day. love that. >> sweet. >> statistically, this is the hottest ten days of the year. so if we can stay below 90 for this -- >> we've hit the jackpot. >> going down. >> thank you,

i remember back in the day watching venus and martina play each other. it was some fine tennis. but tonight -- >> it's like the bizarre-o world. they had one of the best tennis rivalries of their era. the matches were epic. they faced each other often and

did some trash talking. but they teamed together tonight in downtown d.c. as the sold-out smith center, 3,300 watching venus and martina, the doubles partners. check out this rally. venus picking it up. she rushes the net. and venus, the winner. great communication there. and then a little later, venus, the play at the net. and the power shot here for the point. they win so easily their sets. but in women's singles, venus showing off that serve. the finesse shot, she goes to the net for the point. get this, she made a few too many errors. set point, hits it out of bounds and loses in singles. tomorrow they go to philadelphia. if there's one theme of the redskins' off-season so far, it's rg3 proving to be a vocal

leader for the team and for the league. his latest interview comes from the hollywood reporter for their sports issue. griffin says he's not a fan of thursday night games. >> i think there's some concern among the players when it comes to health. but at the same time, we get those games on sunday and thursday and we're off for an extended period of time. so sometimes we look at it as an extra bye week. but like i said, there's a lot of players out there who feel like there's not enough days in the week for us to be playing on thursdays. and it's something that the nfl is going to have to address to make sure they're keeping their players safe while also trying to maximize their revenue. >> giving the good and the bad there. lucky for griffin, he only has one quick turnaround in september in philadelphia and then at home on september 25th against the giants. training camp begins next week. set your alarms, the british open tees off hours from now. phil mickelson is the defending

champ. finally breaking through with the win last year. but he hasn't finished in the top ten on the pga tour since that victory. >> it's such a different viewing for me coming over here having won this tournament. the way i felt was, am i ever going to break through and play well on links golf and win an open championship? and now i know that i can. i know that i've done it. it takes a lot of the pressure off me. but when i arrive as a past champion, it feels terrific.

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[ 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 --