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first a metro train derails at rosalynn station creating may your problems during the evening commute. >> shomari stone is on the scene. tell us what happened, won't you, shomari. >> reporter: right now, jim, doreen, blue and orange lines are operating as scheduled. every 20 minutes. what they normally do at 11:00. you asked what caused all this? we are hearing there was a wheel on the first car of the train. it popped off. caused the train to derail. right now crews are trying to get the train back on the tracks. >> delays due to the incident at rosalynn station. >> reporter: here is the incident she is talking about. this metro train sits off the tracks at rosalynn. inconveniencing hundreds on the orange and blue lines. >> it looks scary. >> reporter: nicole mcdonald knew something was wrong when she saw metro crews inspecting her train.

at 7:00 the truck on one car of the franconia/springfield bound blue train were derailed. no passengers were hurt. metro police told the ones going from d.c. to blue line destinations take the yellow line from l'enfent plaza. there are so many more people on this evening's commute. ♪ >> reporter: some listen to sweet voices while they wait. others voice their frustration. >> i can understand these things happen. they shouldn't. but they do. it's the fact that they don't have any response plan. >> reporter: how does it make you feel seeing the train has been derailed now you had to wait? >> it's normal. normal. metro doesn't tell you anything. i actually learned it from your guy. >> reporter: from us? >> yeah. >> reporter: now she heard from us however a lot of other passengers did hear from metro in all fairness. metro is recommending people go to their website. sign up for their alerts. no word on what affect this will have on tomorrow morning's

commute. officials plan to release more information over the next couple hours. live here in rosalynn, virginia, shomari stone, back to you. >> thank you. to the breaking news in district heights. a man shot in the head in the street. in the 1600 block of addison road, 8:00 tonight. the victim died at a hospital. his identity has not been released. so word no word on motive or anyone arrested. >> the fire chief ordered all fire fighters and paramedics in prince george's county to canvas going door to door to test carbon monoxide detectors. this move comes after five people in one house died of carbon monoxide poisoning today on shelby drive. jackie benson is live with more. jacks. >> reporter: when temperatures dipped down, occupants of this home like a lot of us turned on their furnace. that decision had deadly consequences. by night fall, friends and family had begun clearing out

the home on shelby drive in oxon hill where tragedy struck this morning. it struck at the heart of the community that found shelter and accept a acceptance in this part of prince george's county. marvin chavez arrived about 10:00 a.m. to check on his father and stepmother recovering from back surgery. he found everyone in the house dead. 56-year-old oscar chavez seen here with a grandchild along with his wife, 44-year-old sonja. sonja's sister, noraleva visiting and two neighbors. the first fire fighters who responded measured some of the highest carbon monoxide levels they had ever encountered in a home. the culprit a gas furnace flu damaged by rust and partially detached. >> the reality is these people apparent leap were affected quickly by a large quantity of carbon monoxide. without the detector and without the connection of the pipe,

where, we are where we are. >> reporter: e mothis home did have a carbon monoxide detector. if you have a gas furnace, gas hot water heater in your home you should have a carbon monoxide detector in addition to a smoke detector. reporting live, jackie benson. news 4. >> thank you, jackie. chilly out there tonight. doug, how chilly is it going to get? >> chilly enough. once again we have freeze warnings out there. we have frost advisories the. we didn't have too many in march. a few in april a nother one tonight. in the district. not too bad. 54 degrees. pretty nice outside. wind out of the east at 3 miles an hour. clouds helping to keep a little heat in. just off to the west. we are starting to cool. 43 right now in frederick. 41, winchester. fredericksburg, 48. there is our freeze warnings back to the west in through val.

areas west of i-95. we'll talk how cold it gets and how our unsettled pattern will continue. >> thank you, doug. a clean sweep for mitt romney tonight. presumptive gop nominee claiming victory in five republican primaries. angie goff joins us with the latest. >> wendy, mitt romney edged closer to the number of delegates he needs to formally gain the republican nomination for president. follows five wins in five states. new york, pennsylvania, connecticut, delaware, and rode aisleland. and it is a blow to newt gingrich who now appears headed towards the sidelines. gingrich vowed to stay in the race until the convention this summerable. his campaign is now more than $4 million in debt. tonight, he says he won't cancel events. but will think carefully about where his campaign stands. mitt romney meanwhile is moving forward. in his speech in new hampshire tonight, a shift towards a general election campaign

against president obama. >> you have given me a great honor and solemn responsibility. and together we are going to win on november 6th. to all of you, i have a simple message. hold on a little longer. a better america begins tonight. >> next up for romney, a meeting on may 4th, with rick santorum. santorum's campaign says that meeting will not result in an immediate endorsement. wendy. >> all right, thank you, angie. so who is romney going to choose for his runningmate? virginia governor bob mcdonald is often mentioned on the short list of candidates to. day he talked about possibility fee on wtop's ask the governor program. >> i am not looking for it. i am not asking for it. i have got a great job as you know. but i think any, any public servant, if the nominee comes and says you can help my party and country of course you

consider it. >> other names tossed about. chris christie, jeb bush, and former secretary of state, condoleezza rice. secret service forced out three more agents tonight because of ties to the prostitution candscandal in colombia. two resigned. a third had national security clearance revoked. announcement today brings the total ousted to nine. president obama says secret service employees do incredible work but he says those caught in the scandal were in his words, knuckle heads. a rite-aid manager, father two of shot in a bold midday robbery. now speaking exclusively to news 4 tonight. albert mcduffy shot as he was trying to open a register for a robber. this crime caught on store surveillance. from his hospital bed, mcduffy described the moments after the shots rang out. >> can't believe he just shot me. i can't believe he shot me.

and didn't move fast enough. you know, stuff like this. it happens. i don't hatno, i am still here. i am in great spirits. just frying to get back on my feet. >> mcduffy paralyzed from the waist down and the suspect didn't leave with any money just a packet of mentos. he was arrested and charged.a fy wreck. is facing criminal charges. 18-year-old rico richardson was riding in a stolen car last month. an officer tried to stop the vehicle. the car slammed into a tree and burst into flames. the driver and two other passengers were killed. police arrested richardson today and charged him with theft. >> fairfax county high school students are learning a lesson about the dangers of guzzling down booze. they took part in a program at

herndon high that deals with binge drinking on college campuses. students watched "haze" and tells the story of a university of colorado freshman who died of alcohol poisoning while he was pledging a fraternity. they were told there is no safe amount. >> the important thing -- that i would like you to take away from this is not just about binge drinking. we talk about it all the time. there is no responsible underaged drinking. you can't teach a child to drink responsibly. a survey in fairfax shows 20 to 25% of high school students participate in binge drinking. they say that number rises to 50% in college. >> first time in sick years, case of mad cow disease has occurred in the u.s. the infected dairy cow discovered in california. secretary of agriculture quickly responded to the news saying the infected cow does not pose a risk to the food supply or human health. authorities believe the cow contracted the disease

spontaneously not from eating infected feed. this is the fourth case of mad cow ever discovered in the u.s. still ahead, a teenage girl tumbles 20 feet through a sidewalk. the unlikely hero who jumped into action. awe major drug bust at dulles airport. a report on what somebody fried to hide inside chocolate. >>

some really incredible video out of china. going viral on the internet. a teenager fell through the sidewalk. the girl was on her cell phone at the time. she fell 20 feet down a hole. a cab driver saw it all and went to her rescue. he climbed down the hole and stayed with her until emergency crews arrived. not seriously injured. crews say water eroded the ground under the sidewalk and caused tight crumble. >> airport security is broken. that its the claim from former head of the transportation security administration. in a new book, kip holly says the tsa is too focused on that list of banned items. he says some things on that current list need to be allowed. so airport screeners can focus more on toxin as and explosives. holly says many practices put unplauin place after 9/11 may be updated

and said that agents should focus on behavior instead of appearance when they profile travelers. a big drug bust at dulles, chocolate and juice boxes seized with a little something extra inside. security finding four pound of cocaine stuffed inside a woman's luggage at dulles tonight. they say she is a legitimate currier from guatemala, flew in from el salvador and was immediately deported. the estimated street value of the cocaine $130,000. still trying to find the two dogs involved in a vicious attack in northeast d.c. it happened last friday on queen street. the trinidad area. it was recorded by a building surveillance camera. video ows two kids jumping on the roof of a car. trying to escape. the kids were not hurt. a man who tried to help suffered a serious bite on the hand and now being treat ford rabies. >> i went to the hospital yesterday to get -- my second rabies shot. and in the process my hand was

swollen. and they think it is nerve damage. i will have to see a hand specialist. >> animal control officers say they don't know where those dogs are or who owns them. if the dogs are found they could be killed. the owner could face criminal charges. >> surprise visitor, homeowner, in loudon county, the woman found a black bear in leesburg sunday. she stayed calm and took some pictures. fairfax county wildlife experts say bears hibernate in november through march or april. in other word. they're awake now. and hungry. looking for something to eat. >> probably a little chilly. probably wishes he slept a couple more weeks. >> probably woke up a little early. like a lot. >> it was getting hot. >> so warm. >> in the underground cave. >> they lose, 50% to 60% of their body weight. think that is a correct stat. i will look that up now.

out there, take a look what is going on. i know the numbers are correct. current temperature. 54 after a high today of 64 degrees. it is going to be another chilly night across the region the we have seen a lot of chilly nights lately. weather pattern really shifting from where it was in early march. yes we have seen some warm days in the month of april too. but some cool days too. that's what we are going to see out there tonight. today, high temperature, 64. low of 42, third day in a row below average. that is the first time, really, there has been two times that it happened since february 1. how about that? so another, very cool streak out there. 54 degrees overnight. current temperature with wind out of the east at 3 miles an hour. still mild in the district. we still have a lot of cloud cover over the area. cloud will get out of here. we'll see the temperatures begin to cool. 41, winchester. 41, culpeper. 46 charlottesville. out there towards the chesapeake. at 57 degrees. over towards annapolis. you look at the numbers. you say that is not too cool.

once i mention the clouds leave. we will be able to cool quickly. that's why we have some new advisories. frost advisories, loudon, frederick, fculpeper, wincheste, west/southwest, luray, stanton, freeze warnings here for temperatures around the freezing mark overnight tonight. some people saying do we need to cover our plants? yes, if you live west of i-95. at least cover up the plants. some of you said you lost a couple things in the gardens from previous frost. the cloud cover right now. notice starting to clear out a little bit behind here. there is still cloud cover. even back to the west. we may stay on the cloudy part of things. partly cloudy. not going to allow us to cool down if we were clear. a little good news. a cool one tomorrow morning. take a look at the numbers. high temperature in denver. 88 degrees. billings, montana. 86 degrees, the high in miami was 77. you can steep where the cool air

is a long the east coast. the huge ridge out west. big trough in the east. i don't see this changing very much over the next couple days. the troughable mo will move up north. not quite as deep. it will still come through our area. temperatures will be around average or below average through the next week. get used to this cooler air. tomorrow, a nice day. we will see some sunshine. but then the clouds do move in. ahead of yet another storm system. this one -- looks like it could bring us a pretty good amount of rain too. half inch to an inch. at some locations during the day thursday. maybe a few thunderstorms. tomorrow morning, you know it is going to be little on the chilly side. temperatures, 33. some of the coldest suburbs. 43 in the city. going mostly clear skies tomorrow. some tear yaz will see cloud cover. chilly start. tomorrow afternoon. sunny. looking good. 65 to 70 degrees. the next couple days. 70, thursday. rain on thursday. and friday. 63. 62 on saturday. looking just wet on sunday.

looks like another storm system could bring us, maybe another inch. so maybe an inch thursday. another inch this weekend. and could be a little bit of a wet pattern the we have been dry. we need to see the rain but not on the weekend. >> okay. thank you, doug. out at tyson's corner, a new store opened and donated $5,000. angie goff and tracy wilkins represented news 4. the big fund raiser for june. this donation will go to george wash university's mammo-gram, for free ma'am grmmograms. >> president obama teams up with late night's funnyman. ♪ oh, yeah you should listen to the president or as i like to call in the presi of the united stesi.

see the president slow jam with jimmy fallon. >> what should you say after that? >> and stay tuned.

there is so much suspense in terms of what they might do. >> didn't you remember first round draft picks. daryl green, art monk on the other end. nobody knew it was coming.

>> suspense. >> that's not the case. >> not this time. >> there its the heart-pausing moment when the nfl commissioner announces your team's first round draft pick. we have been completely robbed of that this year in washington. robert griffin iii the guy. the official announcement at this thursday's draft will be the worst kept secret well since, 15 minutes before that when the colts announce they're taking andrew luck. zero suspense this year. today in new york city, rgiii enjoying the spoils of an nfl star. he signed an endorsement with subway restaurants and a life sized sculpture of himself, made entirely by subway's smoke house barbecue chicken. >> that is horrible. >> interesting. >> horrible. >> not really appetizing. who wants to eat that. >> horrible. >> kind of freaking me out actually. >> as far as future with the redskins. rg-iii is feeling good

especially about mike shanahan's support. >> he talked to me about doing great things with me. one of the first time he's had a young quarterback since john elway, john cutler. he is look fork ward to working with me and me with him. hopefully we can create greatness. >> can you tell me where you got the rg-iii nickname. a waco anchorman. are you surprised how well it has taken off? nice ring to it? >> people were calling me robert griffin iii. i guess he got tired of it. took my initials. threw the third on it. rgiii, fans caught on it. >> rgiii sounds like a machine. that's what they need in washington. nats on the west coast in san diego. facing the padres. right now they're scoreless in the sixth. now, some where between the senators and the nationals. remember something called the 80s. the orioles around. remember they wore the cartoon bird hat. >> they're bringing it back. >> right. come plea with eddie murray's have fro out of the side, more

than semiafros. the 70s were the big ones. and still going. returning to fate muthe famous . tommy hunter on the bump. eight runs in his last outing to. day much improved. top of the four. tied at one. and caught swinging. hunter goes six innings. giving up three hits. one run. bottom of the inning. his catcher, at the dish. facing henderson. alvarez. drives one opposite field to left. eric banes has the a beat on it. he helps him out a little bit. knock is it over the wall. off the glove into the stands. his sixth of the year. the difference in the game. the orioles win 2-1. to improve to 10-7. big game for the cats. dan hellie on the way to bean

town. cats/bruins tomorrow live. 5:00, 6:00. the highlights and live wrap at 11:00. excited about caps' action. >> write this down. >> give me a pen. >> we'll be right back. >> you said they go to

at bank of america, we're lending and investing in the people and communities who call greater washington, d.c. home. from supporting an organization that helps new citizens find their way... to proudly supporting our washington redskins... and partnering with a school that brings academic excellence to the anacostia community. because the more we do in greater washington, d.c., the more we help make opportunity possible.

president obama taped a special edition of late night with jimmy fallon and took part in fallon's slow jam the news

segment. >> now is not the time to make school more expensive for our young people. ♪ oh, yeah [ applause ] ♪ you should listen to the president ♪ ♪ are as i lock o like to call ♪ >> see the president's appearance tonight after jay leno.