pat and jim are office today. there's no word as to what caused that incident that killed two metro workers. >> it happened this morning between the rockville and shady grove metro stations. two workers were installing safety equipment of all things on a track tha was closed to regular service for the night. the accident disrupted the morning rush hour for many commuters as service was shut down while the crash was investigated. 49-year-old jeff garrard and 68-year-old sung oh had worked for the transit agency since 1990 and 1998. both men from montgomery county. this is just the latest in a string of fatalities at metro. chris gordon is live with more. hello, chris. >> good evening. the investigator in charge here at the national transportation safety board just gave us a briefing. here's the very latest. there were two separate crews working on the same track last night. the question is did either know the other was working there? there were the two men in the track bed that you just mentioned who were killed. there was a separate crew, four men, a track crew who were riding in a truck fitted to ride the rails. they were traveling from shady grove to rockville. they were in a truck that was traveling in reverse, backwards. in other words, they were in the cab facing shady grove, traveling to rockville. the question is, what were their sight lines? the rearview mirrors on the truck hit the two men basically backing up in reverse. they hit the two men in the track bed. this raises a lot of question. first and foremost, w there a critical breakdown in communications? the accident occurred at 1:45 a.m. a six-member metro wor crew was installing new train control equipment in the track bed. this high-rail truck equipped with special wheels that allow it to drive on the track when electricity is shut off had transported the work crew and its equipment here. somehow, the truck struck two employees working on the track bed. one died at the scene. the other was takeno an area hospital where he died of his injuries. >> four individuals who are also at the scene were taken out of service, we call it, which means that they were taken to be terviewed and have drug and alcohol testing. that's standard operating procedure. >> a team of ntsb investigators will determine how it happened. they were on the scene measuring track, taking pictures and then interviewing the four surviving members of the metro work crew. >> four members of the investigation team. we're in the process of meeting with the individuals that may have knowledge or be able to provide some information to the safety board in an effort to conduct our investigation. >> ntsb investigators are looking into whether the crews had contacted metro's operational control center. whether either of the crews knew the other were on the same track. how fast that truck was traveling, why it was traveling in reverse, did it have a beeper system, a warning system, wh? was it on? was it sounded. and the two men in the track bed, had they put out a warning beacon, a light, on the track. all these questions remain to be answered. >> chris gordon, thank you. this deadly accident is just the latest in a string of incidents involving metro. december, a team of safety inspectors was nearly hit by a train that was traveling at full speed. in november, three workers were hurt when one train hit another in the west falls church rail yard. in september, a train hit and killed a technician in virginia. in august, a piece of equipment hit and killed a worker at the vienna station. last june, nine people were killed when two trains collided on the red line. in january 2007, more than 20 people were injured when a greenline train derailed. and in november 2006, two metro employees died after bei hit by an empty yellow line train. today's accident on the metro tracks made things pretty tricky for some redline commuters. all morning long there were delays along the redline. now, as a result trains were only traveling between glennmont and twinbrook. for many riders, news of this latest crash was of great concern. >> they're charging loads of money for this stuff. it's been around for a long time. it's kind of a reliable service and everything. you know, you can't have all these people being killed. >> if somebody got killed -- [ inaudible ] >> just after noon, full service resumed on the red line. metro says there are currently no delays. be sure to stay with news4 on air and online for continuing coverage of the deadly metro accident. coming up on "news4 at 5," pat collins will have emotional reaction from the victims' families. new at 4:00, a potential break in the case of a missing virginia tech student. police are investigating the discovery of a young woman's remains on a farm near charlottesville. police say the body was found on thanchorage farm at about 8:30 this morning. the farm is about ten miles from the university of virginia campus where 20-year-old morgan harrington was last seen. she disappeared from the parking lot of a metallica concert at e johnaul jones arena last october. harrington's parents are headed to the farm to see if this is their daughter. police are expected to hold a news conference at 5:00 p.m. fire investigators are still trying to determine what caused a massive fire. it destroyed a northern virginia home and left two men dead. the flames broke out at a single-family home in the 5600 block of hemming avenue in the north springfield area of fairfax county. when firefighters arrived they found heavy flames and thick smoke. the two men were also found inside. however, crews believe the fire started in the basement, then spread to the first floor, causing the floor to collapse. the names of the victims have not been released. there are reports they are an elderly man and his adulson. the relief and recovery mission continues in haiti, and today we're getting a look at new video of the moment the earthquake hit. a dozen surveillance cameras in an office building captured the images. the owner didn't realize he had the pictures until now because the quake nearly destroyed the video system. ron allen has more now from port-au-prince. >> reporter: it's just before 5:00 p.m., almost quitting time, when workers at the security company realize something terrible is happening. the room shakes violently. the workers run for their lives. outside, panic on the street. the ground is rocking and rolling. for some 20 horrifying seconds. when it finally stops, the office building stood but half the buildings in the capital were rubble. now haiti's leaders say they need $3 billion and ten years to rebuild. groups here struggle to hold back quake survivors desperate for food and water. 1 out of every 9 people here has now place to call home. with conditions and makeshift camps getting worse. >> we're movingrom emergency and acute response to tackling the health threats and demands now facing those who have survived this earthquake. >> reporter: still, some hope for a miracle. the search endures for students and faculty members for lynne university in florida. they arrived on a mission to help haiti's poor the day before the quake. neither the community more the families will confirm reports that a body has been recovered from the rubble. with each passing day, many more people are expressing concerns that haiti's flight will not be near the top of the world's agenda much longer. ron allen, nbc news, port-au-prince. >> the death toll is now estimated at nearly 200,000 with another 194,000 injured. nearly two weeks into that deadly quake, and rescuers are still finding survivors. a 14-year-old girl was pulled from the debris of her house alive today. rescuers say she was saved by her bed when the wall and roof collapsed on top of her and she was lucky to have water nearby. there are lots of ways you can help the people of haiti. log on to news4 and you can find a list of legitimate organizations that are collecting donations. just search "help" once you get to the site. there's also a link in the middle of the home page. temperatures continue to drop across the region. and there's a possibility of snow for the weekend. veronica johnson has more on what we can expect in our first forecast. hi, veronica. >> hi, eun and kimberley. we're getting of the details. we'll be tweaking that forecast, some snow possibilities for the upcoming weekend. as far as today goes, we're seeing a weak little disturbance come through the area. reports of a little bit of sleet just an hour ago around montgomery county. rockville area. right now we've got some light showers that are left around aspen hill heading toward loral. kettering also reporting some light showers and also heading toward chesapeake beach. light snow that continues out west. accumulations of one to three inches are expected for garrett county, maryland, and the high spots of west virginia. 17-degree temperature change from yesterday at the same time. we're in the 40s today. we'll crash back down to the 20s, the low 30s by later tonight. your fast forecast, more sunshine coming our way tomorrow, but, again, we'll talk about the possibility of some snow coming up for the weekend. u president barack obama will go before the nation tomorrow night to deliver his state of the union address. he received a devastating projection on the economy. a new report suggests unemployment will remain at or above 10% for the rest of the year. steve handelsman is live on capitol hill with details. >> thanks. good evening. next year is not looking too good either according to this report from the cbo, the congressional budget office here on the hill. it raises the stakes, the political stakes, for democrats here on capitol hill and for the democratic presidential who comes up here to the hill tomorrow night to explain to americans how he plans to deal now with our ongoing political crisis. terrible news for the nation and terrible political news for president obama. unemployment will average 10.1% for the rest of this year and remain high at 9.5% through next year. says the non-partisan congressional budget office. >> we project that the unemployment rate will not return to its long-run sustainable level of 5% until 2014. >> reporter: republicans blame the democrats. >> americans aren't happy with the administration's approach. >> reporter: did barack obama and top democrats make a mistake? when they turned to health care and to global warming. >> huge miscalculations. >> reporter: analyst charley cooke says voters got angry. >> every day, every moment, that the president and congress spent on health care or climate change was a minute a day not spent on addressing the economic problems. >> reporter: top democrats today claimed they multitasked and prevented worse job loss. >> we have stared down at the abyss and we've drawn back and w we are starting to regain our stride as we should. >> reporter: unlike the president's address to congress last year that kicked off an ambitious agenda, tomorrow night's will be focused. >> he'll discuss getting our economy moving again. >> reporter: and on programs he once called priorities like climate change initiatives, the president will propose a spending freeze. but republicans and some democrats say a partial spending freeze is nowhere near enough to fix our huge deficit or to stop barack obama's political slide. i'm steve handelsman, news4 live from capitol hill. >> thank you, steve. marylanders are sing good-bye to a long-time politician. former center charles muthis died yesterday. he quickly gained the reputation as a republican party maverick. he served until 1968 and then was elected to the senate where he served until 1987. he was known for being a liberal republican, a champion of civil rights and protector of the chesapeake bay. a rare combination. "news4 at 4" is just getting started. terror threat. next at 4:15, president obama's new response plan aimed at preventing a biological attack using weapons of mass destructid destructi destruction. at 4:30, new details about the death of the father of nancy kerrigan. and at 4:45, the alarming new statistics about pregnancy and teenagers. a federal commission is giving congress and the white house a failing grade when it comes to preparing the nation against weapons of mass destruction. the group says the u.s. seems to be moving backward in its effort while the threat is getting worse. tracie potts has more. >> reporter: a federal panel says swine flu vaccine delays were a big hint that the u.s. is not ready for a bio terror attack. >> with h1n1, we knew it was coming. we had about a six-month notice. if this is a terrorist attack or most of the forms of natural attacks, we aren't going to have any six months notice. >> reporter: the commission on weapons of mass destruction believe the biological weapon will hilikely hit the u.s. in t next four years and give the government on "f" on being ready. 9/11 commissioners tell congress instead of blowing up buildings, al qaeda's organizer simpler plans like the christmas airline attack. >> if they can't organize an effort to fly airplanes into the world trade tower, they can get one person to get on an airplane and try to blow it apart. so our guard has to stay up. >> reporter: the white house says president obama will outline a faster, better response in tomorrow's state of the union. and the administration says it's working with europe and other nations to beef up security. >> it is a big priority and we know that it is one of the things that terrorists could use in the future or indeed even now. >> reporter: preparing now for an attack that experts say could happen soon. the commission actually gave the government high marks for securing dangerous pathogens and for designating someone in the white house to deal with the threat. tracie potts, nbc news, washington. a white house spokesman says mr. obama' goal is to see that quick, reliable and affordable a a antidotes will be available. a startling discovery. 43-year-old lloyd woodson is accuseof having a cache of high-powered weapons. among those weapons, authorities found a grenade launer. two assault rifles and a map of an unnamed military installation. bond is set at $75,000 for woodson. investigors are still trying to figure out why he had the weapons. an fbi spokesman says he appears to have no terrorist connections. congress is considering new legislation to cut down on the dangers from tanning beds. a bill under consideration would set federal rules limiting the amount of uv rays the beds can give off. the legislation would restrict the length of time customers could spend in the beds. carolyn maloney calls tanning beds cancer coffins. >> it is an epidemic. skin cancer is growing. it is dangerous. we need to act. >> last year the world health organization reclassified tanning beds as car is cinogear. the school board is considering more than $100 million in cuts to its budget. the county school board is proposing adding a $100 participation fee per student per sport. but the estimated $900,000 that could be generated would not be earmarked to fund athletics. it would go into a general fund. hearings are being held tonight and tomorrow night at luther jackson middle school in falls church. the hearings begin at 6:00 p.m. we're following breaking news in takoma park. police are searching for a suspect in a sex assault. campus authorities want everyone to stay inside during the search. police have sent out an alert to students and staff. we'll bring you updates as more information becomes available. ahead on "news4 at 4," across the border. what a high-profile politician is now proposing be done with undocumented felons. plus, president obama makes his pick who hs rallying behind for this year's super bowl. and it's been one year now since the birth of those octuplets that captivated the nation. now their mommy is back in the headlines. only nine more days until we say good-bye to d.c.'s favorite panda. the 4 1/2-year-old giant panda will be shipped back to china on february 4th. he'll be traveling via fedex along with a 2-year-old female friend from the atlanta zoo. for those who want to say good-bye, friends of the national zoo will be hosting a farewell event this saturday from 11:00 to 3:00. that's going to be a crazy time. at the gym, a guy said, i heard we're getting eight inches of snow on friday night. wrong. >> well, it's way too early to talk about amounts. what it does look like, we'll have a little bit of accumulation snowfall. but the guidance that we look at seems to be trending the storm further south, further down in the southeast area. so we may not be getting much. >> in the meantime we're dealing with this. >> right. this was from a weather-watcher. this is downstream of shepherd's town where they have moderate flooding taking place. point of rocks, moderate flooding. up to 21 feet there, cresting early tomorrow morning. same thing, the crest expected right here around shepherd's town area. outside right now, we've had a mixture of a little bit of sunshine today mixing in with quite a few clouds tomorrow. the windchill is at 37 degrees. let's quickly go to the radar. with this weather feature that's been coming through today it has been sparking some light rain showers. and also some scattered flurries. winchester, front royal. and the high spots further west. you can see the snow on the ground. 29, fairmont, west virginia. it's been a little bit of white stuff on the ground. more, too, in ready, west virginia. this is around central areas of west virginia. on the satellite and radar loop, low pressure here. there's the weather feature coming through tonight. it will be colder tonight than it was last night. dropping down to the 20s. we're at 44 now. 20s in chicago. around areas of ohio, temperatures already in the 20s. here's your futurecast the next 48 hours. that weather front comes through. the snow starts to die out. sunshine for the day tomorrow. then on thursday, we'll be partly sunny and mostly cloudy for friday. don't think we're going to see probably our first flakes with that storm system until probably very late friday after the evening rush. for this evening we're breezy and chilly with temperatures in the upper 30s. by tomorrow we'll start out in the 20s across the area. mid-40s, that's really seasonable for tomorrow. plenty of sunshine tomorrow. clouds on thursday. we'll be partly sunny. friday, look for developing snowfall. again, mainly during the overnight period and through saturday right now. we'll have more on this coming up in just a few. we're following new stories for "news4 at 5." john is working on a very happy homecoming. hi, john. >> this is a good story. it's a family from northern virginia that's been struggling to bring back an adopted baby. since the earthquake hit in haiti l haiti, all of the adoption papers were destroyed. we have the story coming up for you. >> sounds like a very lovely story. that's on "news4 at 5." make sure you follow "news4 at 4" on facebook and twitter. we're always posting news, weather and traffic reports. search "news4 at 4." >> we can both get out the tissues for that one. there's much more ahead at "news4 at 4." the investigation continues. what we're learn about the man arrested in connectionith the death of olympic medalist nancy kerrigan's father. plus, the new details we're learning abouthe high-profile murder case of a 2-year-old girl. and the rules of the road for truck and bus drivers while operating th welcome back to "news4 at 4." i'm kimberly suiters. >> i'm eun yang. some of the stories we're following at this hour a deadly accident takes the lives of two metro workers. the men were working on the redline tracks in rockville when they were struck by a maintenance truck. inspectors are investigatin