. breaking news. a system-wide shutdown on metro. a computer glitch leaves dozens of commuter trains stopped for nearly hours. they still don't know what went wrong. joining us outside the gallery place metro station with stales. derrick? >> reporter: we seemed to figure what, now the why? metro's control center is like nasa's control. nat conducted spacecraft,

aircraft. metro a has the same for their trains and that's where the problem was. it happened at about 2:00 p.m. according to metro a computer at the metro control sent went down and he could not seep where the 44 trains operating on the system were. the system that controlled signal, speed and proximity of trainers from one another was not affected. trains were stopped oust sadie nonetheless and passengers experienced delays of 20 to 25 minutes. >> chaos. trains not running due to a computer system. i've been downstairs near the tenley town university station. just alerted there is no train service due to the computer system being down. thank god they have cabs and buses still running. for us reline lying on the train system, it's puts a damper on our day, but it's saturday. >> it stopped about 25 minutes in between stations, just going from bethesda to tinleytown,

took me almost half an hour. >> reporter: normally how long does it take? >> five minutes. >> reporter: operators were notified by radio to proceed to the next station and hold until the problem was resolved about half an hour later. metro says there was never any danger. they never lost control of the trains but couldn't see exactly where they were. technicians are trying to figure out now why that happened. we're live in chinatown, back to you. >> all right, derrick. kniss has been a rough serm so far for metro. back on july 6th, the extreme heat caused this kink in the track outside the west hyattsville station. the green line train derail and people exited underground and left the tunnel through an escape patch. forcing it to revise exit operations in extreme heat and sundayly lost power near the college park station. 25 passengers inside a hot train

about 20 minutes before they began evacuating themselves. several complained of hea heat-related issues. no one taken to the hospital. stay with news 4 for the latest on shutdown and we want to see your videos if you have them and pictures. you'll see a link in the pop right-hand corner of the page. following a developing story in northwest washington this evening. a body found in an alley in a busy part of the circle. the man found unconscious around 9:30 at the corner of 17th and p streets. police pronounced him dead at the scene. they're still trying to figure out exactly how he died. d.c. police are looking for a man who robbed and sexually assault add woman at gunpoint. police say a man attacked the victim just before 5:00 this morning, thursday morning, i should say. a photo of him. this happened at 18th street southeast. the victim said the man pulled a gun, demanded money and sexually assaulted her. afterwards she said he walked her to a nearby atm and forced

her to withdraw cash. the man was last seen walking east in the 1300 block of good hope road southeast. d.c. mayor vince gray isn't staying out of the public eye even in the wake of a campaign scandal. the mayor spoke at a community art event in northeast. earlier this week a former aide pleaded guilty to running a shadow campaign for gray back in 2010. three d.c. council members called for the mayor to step down. others say calls for his resignation are premature. on the campaign trail tonight, president obama visited fairfax county trying to drum up support in the battleground state of virginia. pushing his plan for middle class tax cuts and raising questions about mitt romney's time at bain capital. brian mooar has our report. >> reporter: at rally near richmond, virginia, hundreds of people braved a downtour to see president obama in way you have seen him before.

>> not let a little rain chase us away. >> reporter: taking on mother nature and republican mitt romney in a state looking like a key fall battleground. >> he invested in companies that have been calmed pioneers of outsourcing. >> reporter: that's the tune of a new ad attacking romney's time at bain capital. ♪ oh beautiful for spacious skies ♪ for amber waves of grain ♪ >> reporter: romney tells nbc news, the outsourcing claims are untrue. >> and the president's campaign has been, i think, outrageous in making the kind of charges they have. i think the kinds of attacks are beneath the dignity of the presidency. >> reporter: romney says he left bain capital in 1999 to head the salt lake city winter olympics and says he wasn't responsible for the outsourcing of jobbing. sec documents list him as bain's ceo for two years after he says he left. meanwhile, president obama is keeping up the attack. rain or shine.

brian mooar, nbc news, washington. let's talk a little more about this rain. meteor logist chuck bell has details on new showers moving in for us. right, chuck? >> absolutely, jim. already rain showing up literally on our city camera view. looking southbound. the main terminal at reagan national airport. looking down the anna costa rav ir, just in the distance. you can't see the bridge because of moderate rain showers inches northbound towards the city of washington. rain-cooled 79 at the airport with a south breeze, seven miles per hour. a little shower out of charles county and southern prince george's county, mostly into southern fairfax and the southern half of the district now. and her to norm just down to the south. earlier, about two hours ago from clinton to waldorf right on the prince george's county line, a lot of rain two to three inches of rain with flash flooding problems earlier. subsiding for now.

another thunderstorm blowing up on top of fredericksburg. where these storms are going and the rest of the weekend forecast coming up. >> see you in a bit. coming up, joe paterno's final contract at penn state. new report raising questions about the timing of the negotiations. and we're continuing to monitor breaking news of the computer glitch that led to a stigs-wide shutdown

[ obama ] i'm barack obama, and i approve this message. [ female announcer ] every woman who believes decisions about our bodies and our health care should be our own is troubled mitt romney supports overturning roe versus wade. romney backed a law that outlaws all abortion -- even in cases of rape and incest. and that's not all. i'll cut off funding to planned parenthood. [ female announcer ] for women, planned parenthood means life-saving cancer screenings and family-planning services. but, for mitt romney... planned parenthood. we're going to get rid of that.

enforcement database to check if people have the right to vote. the federal government gave the state the okay to check people's names against a list of resident non-citizens. that list is maintained by the department of homeland security. the obama administration denied florida's request for months, but relent aed after a judge roomed in the plan. ship say the mistakes won't be corrected by the election in november. and joe paterno re-upped his contract in the same month of the investigation into jerry sandusky. the longtime coach reached and agreement with penn state on the amended contract last august including a $3 million bonus if paterno retired after the 2011 season. paterno was fired in november amp sandusky was charged with child sex abuse.

paterno died of lung cancer in january and penn state paid out the rest of the contract in april. sandusky was convicted and is awaiting sentencing. and chuck bell's forecast coming up. and an update on our breaking news. the computer glitch that throwed a systemwide shutdown on metro today. ♪

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an update on the breaking news we brought you at the top of the newscast. metro trains are moving again tonight after a systemwide shutdown earlier this afternoon. it was a computer glitch forcing 40 trains in service to hold at stations. around 2:00 this afternoon. officials say the issue affected metro's ability to see where the trains were on the system. the trains were running again in about 45 minutes. no one injured, but passengers' patience was certainly tested. again, everything is back to normal now. the london olympics, less than two weeks away. spirits are high and so is security. now there are new questions about whether the city is, in fact, ready. nbc reports from london.

>> reporter: if you read the british paper, olympic crisis. balmy. london has got a serious case of pre-show nerves. >> this is a chaos. >> reporter: this week came political storm. the company supplies more than 10,000 security guards has admitted it might not be able to meet its target. >> talk from the beginning. absolutely not shock. >> reporter: the british government, send in the troops. another 3.5 thousand of them. the navy ship on the river thames, and the city's air space now under military control. >> all preparatory that the games will be secure. >> reporter: remember that ranger in the queen's jubilee celebrations? well, it pretty much hasn't stopped since then.

it's making london as gloomy, but then we do like to grumble. >> i think there is a tremendous can-do spirit in the britain, but when the ceremony actually starts, there will be, look, we've got to put on the greatest show and earth and do well. nobody should be really surprised having bad weather in britain and organizers said it's always been part of their planning. if you're coming over, bring a raincoat. >> good advice. and isn't really a surprise that it's raining in london. >> no. not at all. and getting quite a bit of rain for the last month and a half to two months. a lot of rain for them. even the brits are campaigning, there's so much rain. >> you know it's bad thens if they're complaining. >> absolutely. dealing with our own threats of rain. off and on, first batch of showers this morning. more rain showers and thunderstorms showing up on radar. look at it from our city camera view. the rain is inching its way towards the airport there. raining on the south end of the runway, but not so much on the north end. in fact, there you see in the

main terminal, a ray of sunshine illuminating the west side of the terminal. folks headed up into an increasingly dark south aiming southbound. temperature down to 79 at the airport. winds fairly light out of the south at 7 miles per hour and temperatures around the area, rain-cooled 70s and low 80s for some and mid-80s and plenty of humidity for others. 86 in leesburg and ashberg. winchester, hagerstown, 80 degrees. make your plans for this evening, some slow-moving summer soakers around for the next couple of hours. most of the rain coming to an end after 9:00 or 10:00 this evening leaving us with a cloudy and muggy stretch through the overnight. there is actually a flash flood watch for the heavy rain across parts of the shenandoah valley, up in the mountains of west virginia. that flash flood watch goes to midnight. one lone severe thunderstorm warning on top of the city of fredericksburg now. your severe thunderstorm in fredericksburg goes until 6:45 this evening. here's the way it looks on

doppler. there's the rain on top of the south end of reagan national airport as we zoom in. you can see that cell drifting its way of so slowly up to the north and northeast. further down to the south, though, this thunderstorm on top of fredericksburg is severe. don't be surprised to see small hail and 40 to 50 mile-per-hour winds possible with this thunderstorm. not to mention a lot of lightni lightning. go ahead and prove into a safe place here the next couple 6 hours in fredericksburg and look at the blossoming flowers through the warm and humid air mass in

not the best weather. weather at beaches improving. 90 to 93 tomorrow. upper 90s tuesday and wednesday. more cooling showers arrive thursday towards the end of the week. >> okay. thanks. >> you're welcome. coming up in sports, team usa is in town including a d.c. native ready for the matters. pioneers in outsourcing us jobs supports tax breaks overseas. insourcing. industry and favors bring jobs home. it matters.

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in action tonight, caps, they keep trucking. >> great way to start the second half. pick up where you leave off. if pitching wins championships the nationals should be the favorites.

three pitchers in the top 11. the best in straussberg or gonzalez. nats opened in miami last night. zimmermann picking up where he left off. top three. nats up 1-0. zim with a man on facing josh johnson and blasts this one. a psychedelic merry go round. his ninth of the year. zimmermann, .3959, seven home runs since the kwar zone shot. jordan zimmermann pitching like an ace. blows it past him. six strikeouts. e.r.a., fourth best in the national league. top six, 5-0. to the flare in center. bryce harper. diving catch. is there anything he can't do? nats playing one of their best overall games of the season. bottom nine, tyler clifford comes on to close. a oner on second.

high heat. appeal to first. let's all go home. nats win 5-1, finally giving jordan zimmermann run support. >> you know, last year i thought he pitched like a number one. it's continued this year. but, you know, he's grown up, to me, even more so this year. i've pushed him further in other ball games when i knew he was a little bit tired, but today wasn't going to be one of them. >> meanwhile, a great day today for old teammate. cal ripken, eddie murray and brooks robinson on hand. brooks, happy to be there unveiling the jim palmer statue. cooperstown is cool but his heart is in charm city. >> of all things -- you know, as a player, this is -- brooksy

saying, earl the same. cal the same. so it's very special. >> great job of the orioles honors all those legends. meanwhile, the u.s. men's basketball team prashcticed getting ready for monday night an verizon center in preparation for this month's olympic games which you can see right here across the nbc networks. women's and men's teams. part of the hoops for troops program. more than 3,000 military members and their families on hand. kevin durant in his home town. just seeing him on the same team with kobe bryant and loving that international three-point line, about two feet closer. like he needs the help. lebron james spent a lot of time talking with kobe going after different ways to attack defenses. i don't see a problem for either one of them. as close to the dream team as we've ever seen and happy to represent our country right here in the nation's capital. >> a beautiful experience. a way to serve our country. what we do best.

and, you know, today we're surrounded by our nation's finest. so it's a huge honor to say the least. >> so we can do a lot on both ends of the floor. we got to do a better job of rebounding. get stop, rebounds, and transition, one of the best teams in the world. so -- just got to continue to build the chemistry day by day and we'll be fine. >> a lot of fun to watch that team play. basketball camp opens today. the capitals development camp wrapped up. biggest news, george mcphee says they should have their first new assistant coach signed next week. jam-packed crowd for the final scrimmage of camp. impressive, 20-year-old scored the first goal today. likely he'll start the season down in hershey. max and al's kid sets up greg miller, undrafted free agent from cornell scores the game winner early in overtime. fun way to end a solid week, plus mike ribeiro there for fan

fest, wearing number 9. caps needed a play making send line center and now have it. >> i'm here to create. a guy that likes to create and give the puck. so it's nice to put the puckn the net, but at the end of the day, every year, you know, you're in the top five ranking for, you know, maybe winning the cup and there's always a piece here or there. so hopefully i can be that piece that helps this team go further in the playoff, and hopefully win the cup. >> skinny looking guy. isn't he? hope he plays well. the third round of the u.s. senior open in golf today all about the german. bernard langer. down in front, trust me. it goes in the hole. played the front in 5 under par. approach on the par 4 10. langer birdied eight of the first 12 holes. talk about playing it perfectly. reading the green. reading the ledge.

rolling it back. rolling it back. he shoots a 6 under 64 today. 10 under, leads by four strokes heading into tomorrow's final round. that is one whale of a shot there. all three of us, big smiles. >> jaw drops. one last check of the showers moving in? >> yeah. big thunderstorms on top of fredericksburg right now. severe thunderstorm and flash flood warning. be careful for the next half hour or so. >> you'll keep an eye on it. that's the news [ obama ] i'm barack obama, and i approve this message. [ female announcer ] every woman who believes decisions about our bodies and our health care should be our own is troubled mitt romney supports overturning roe versus wade. romney backed a law that outlaws all abortion -- even in cases of rape and incest. and that's not all. i'll cut off funding to planned parenthood. [ female announcer ] for women, planned parenthood means life-saving cancer screenings and family-planning services.

but, for mitt romney... planned parenthood. we're going to get rid of that.