that pickup truck on to the mall right near third and madison. shomari stone is on the scene. i understand you're getting some new information? >> that's right. right now i'm here on third street northwest and pennsylvania avenue northwest. i am outside the u.s. capitol. moments ago, literally two minutes ago i received an update stating that the u.s. capitol police inspected this man. they did a dna swab and another type of swab to try to see if he was exposed to anthrax and those tests came back negative. let me move out of the way and we look over here and there is the truck that he drove on to the national mall. park police say the man believed he was exposed to anthrax according to u.s. park police and the man says he saw the substance on the field. park police are using a robot. let's take a live picture for you right now from a different vantage point. they're using a robot to inspect the car and keeping the truck. worth mentioning that the

from pennsylvania avenue northwest to madison all of the way to independence. the u.s. capitol police is advising people to avoid this area. again, the man drove up on the national mall and, believed he was exposed to anthrax and those tests came back negative. a robot was deployed and it's inspecting the pickup truck and the area around third street between jefferson and madison is blocked to vehicles and pedestrians. very popular area here even on a rainy day like today. a lot of folks like to take pictures of the capitol especially from the national mall. that's not happening right now because it is completely blocked off and as of now, police also tell us that this man has not made any threats to anyone and that public is not in danger in any way. they're just trying to deal with this situation and ascerta

but again, that test for anthrax came back negative. live here on the national mall. i'm shomari stone, news 4. now we turn to our weather which has turned wet again and the rain is not going anywhere. >> it's been great about showing us to the north and west of us they've been having good weather, but we're sort of locked into this pattern and doug, i think the question on everybody's mind is just how long is this wet, gray stuff going to stick around? >> well, chris, it will stick around most likely until tomorrow and then it comes right back in and this is a problem that we'll continue to have and the region storm after storm sits across our area. let's take a look right now and you can see the rain coming through the region mostly from leesburg over towards baltimore and south washington. that's where fredericksburg, waldorf and all seeing those showers and charlestown, you're on the dry side at least for now, but the wider picture showing that we're still dealing with more rain and

back to the west and more down to the southwest and even the rest of the area that's not seeing it now will get back in on the action tomorrow. you also mentioned the temperatures. notice the temperatures how cool we are and 55 in d.c. and it's much warm tore the south and a lot warmer up to the north at least ten degrees warmer, and we would love to see some of those warmer numbers come in, but it's just not in the offing. we have more rain coming in tomorrow and the umbrella and the jacket continue and it does get better late week, but the weekend, not so much. a complete forecast coming up in just a minute. if you didn't download the washington app on day five or day 15, now is a good time. it can keep you updated when you can't get the forecast on news 4. storm team radar and get the first word when storms are moving right through your neighborhood. neighbors say the area where a train hit and killed an 18-year-old woman is not safe. they feared a tragedy like this would happen. she was hit last night while walking along the tracks near the

burk lake roads. two friends who were with her managed to get out of the way. news 4's mark segraves is live with the latest on the investigation and what we learned about the victim. mark? >> reporter: yeah. this is the stretch of train tracks right here where 18-year-old erica dunn was killed last night just off of burke road behind this shopping center. she had graduated from nearby lake braddock high school. she is the second teenager to be killed along this stretch of tracks in just the past two years. people we talked to say this is a popular area for teenagers and neighbors who are either looking for a place to cut through as a shortcut or as a way, as a place to hang out. as for the accident last night, here's how police described the scene. >> there were three friends walking near the tracks and a train approached and two of the friends moved away from the tracks when they went back to find their other friend they found her injured.

>> now here's part of the problem here with these tracks just how tempting it is. you can see these cut throughs from the neighbors over there over here to the shopping center. there are lots of these little cut throughs along the tracks and the only thing preventing people from walking along these tracks are these small no trespassing signs. here's the latest in fairfax, mark segraves, news 4. >> thanks, mark. from destruction to disaster investigators say that's what happened to a train operator during an amtrak derailment in philadelphia. eight people died in the crash last year. federal investigators testified in a hearing in washington. they concluded that engineer brandon bastion was so focused on radio traffic about a rock that hit another train. he lost track of where he was and accelerated as the train approached a steep curve. now there is another factor that investigators pinpointed, as

hour. right now we are learning more details about back-to-back murders that happened just a few blocks apart. those case are two of five shootings that we saw across the district in just a matter of hours yesterday. news 4's pat collins has the latest in southeast. >> a woman gets out of a car on 49th street southeast and as she walks to the front door of her house she's gunned down and falls dead to the ground. neighbors say they heard about six shots. the victim identified as tracy cooper, a woman in her 40s. police believe her murder here may somehow be linked to the murder of of a young man earlier yesterday behind a gas station on benning road. that murder seems only about a half mile away. now this afternoon a man dropped off some flowers

cooper's house. he said he lived with tracy cooper for nearly 15 years. he says he believes her murder was a message to somebody else. >> do you think somebody killed her to get to somebody else? yeah. yeah. this was sort of a murder with a message? >> yeah. i believe that. >> coming up at 5:00. more about the increased violence in our city and what the police chief believes is behind it all. we'll see you at 5:00. >> all right, pat. the candidates continue their march toward the general election as voters head to the polls in oregon and kentucky and only democrats are voting in kentucky and they had their primary last month and the presumptive nominee came out on top. a new survey monkey shows the gap is shrinking between donald trump and hillary clinton. in a hy

said they'd choose clinton. 45%, trump. there say margin of error of 1.2 percentage points there. the trial of baltimore police officer edward mirro is nearing an end. defense witnesses including police officers who trained niro testified they received no destructions on loading on to a transport wagon. the safety of passengers are the responsibility of the wagon driver. gray suffered a broken neck in the police van and died a week later. closing arguments are expected on thursday. we just learned a longstanding d.c. law could be changing. first at 4:00, could it be unconstitutional? we're working on this from our live desk. >> talk about shaping the future. where and when to weigh in on the plan to bring street cars to a new

not have metro. >> storm team 4 is following the rain falling across the area and this is to get the latest -to-the-minute forecasupt

and now your storm team

i'm storm team 4 meteorologist tom huron still raining from new york city and all of the way down to the carolinas and across virginia and maryland it is tapering off, but we still have very light rain around the metro area and it's tracking off to the north and west and part of the shenandoah valley. it's drying out a little bit, but it will take a while for that to get our way and it's 20 degrees colder than average and temperatures are in the mid-50s, and long sleeves and slacks and it will get cold and damp into the evening and doug will get you there in just a few minutes. >> we're along the h-street cor do are and we'll have a chance to weigh in on the future of street cars in other d.c. neighborhoods. the department of transportation will hold a public meeting tent on the proposed expansion from union station to georgetown. the meeting starts at 6:00 at

northwest. it will center on the possible environmental and cultural implant of the street car plan. more and more gas customers are complaining they haven't been getting the electronic bills they signed up for, but they're being told their accounts are delinquent. nbc 4 responds with what's being done about it and when it will get fixed. >> also an email ban, hot 95 cane will tell us why you c

♪ nbc 4 responds to an ongoing e-billing problem at washington gas. >> susan hogan has this story and it is not the first time she's reported on the issue. >> that's right, chris. we first reported some washington gas customers have not received e-bills back in february, but even after the gas company told us it was close to being fixed we're now in may and viewers continue to contact us with complaints. >> i wouldn't think it was delinquent. they never sent me a bill. >> bob said he has not received a gas bill since january and they used electronic billing system. >> i get an electronic bill each month and i click on it and the bank sends the payment. it's worked seamlessly for multiple years. am bob heard a coworker recently complained about problems with the system so he gave washington gas a call. >> andhe

have had problems. >> customer service also told him he was delinquent and owed $416. >> good news, they didn't disconnect me. >> that wasn't the case at amy wallins home. i went to turn on the stove and i had no gas coming through. washington gas turned it off. she says since signing up with e-bill with washington gas she's never received a bill. i paid my last bill, paper bill in october. >> and about $600 later. the very next day i got a call from a neighbor and she was very upset. the exact same story. >> both bob and amy say they never received any kind of notice from washington gas about its e-bill problems and just like we did in february. nbc 4 responds reached out again to washington gas. it told us in part, it sent notification to affected users

make payments. it said errors in the migration, some existing customer profiles from the old to new e-service platform caused the problems. washington gas says it's on track to resolve remaining issues this week. in the meantime the company says it will not charge any late fees. >> that's why i contacted news 4 because i remembered a story that you all did back in the winter. gee, i would have thought this would have been fixed by now. >> washington gas tells nbc 4 responds that it will within the week will pass along its sincerest apologies to its customers saying it has fallen short of its customers. if you have a problem you need help solving contact us at nbc 4 responds. >> at least he doesn't have to pay late fees. >> we got all of those erased for him. >> thanks a lot. if you take a look outse,

vu to a lot of you because it seems to be the same thing day after day after day, huh, doug? >> how much tonight? >> everywhere i go now it's, like, when is this rain going to end? everybody is tired of it for the most part. there are a few of you that like it and you make sure you let us know that, too, but yeah it's still raining out there, too. just a nasty-looking picture and a dreary day. not just dreary, but it's chilly, too. so many people talk about how cold it is. 55 degrees and that is 20 degrees below average for the day and that doesn't help with the winds out of the north at 6 miles an hour and we're still seeing the rain and everybody into the 50s. this is closer for the angelo of this time of year than the average high and we'll stay on the cool side for sure. something else we've been talking about is hurricane preparedness week. i told you we expect 14 named storms and eight of which could be hurricanes. in 1998 it was a similar year and more of what i expect for this year and these were some of the storm

notice, not a single one came within 200 miles of our area so that's good news and there were some just toward cape hatter as. they did move back out to sea so i'm not expecting much. however, it could happen. i told you yesterday i remember the last week of august and that's when something could be close in the coastline. we were looking at shower activity, and southern maryland and fredericksburg around d.c. and to the west we're looking at a scattered variety of rain and martinsburg and winchester and this is part of the same system coming on through and here's one piece. we got another piece back to the west and we're not done just yet and here ate next little piece that will continue to bring moisture up and we have another round of rain coming tomorrow. notice tomorrow morning, the rain exactly a put from where we are now, 10:00 a.m. and still

and starting to break up in places and you see what's going on here. take the umbrella. you will definitely need it tomorrow at times. expect showers, if not rain around 7:00, 8:00 and tomorrow afternoon a little bit better and dryer at most locations and keep the umbrella handy and temperatures going up to hopefully, hop elfly, and we're hoping to get 15 degrees below and friday the high of 71 and look at saturday. saturday back into the 50s. back in the chance of rain and sunday looking better and tom's got that in just a minute. >> all right, doug. waiting for may to show up and may weather, tornadoes, hail and flooding. first at 4:00, the high cost of a spring storm system that's just getting started. >> we see it a

feels good. >> energizes your body! uplift your spirit. feels good! >> the annual project play summit is still going strong down at the newseum. the event is pushing youth sports and first lady michelle obama and her brother craig robinson who is a college basketball tv analyst and former coach. the first lady says the two of them were luck

encouraged to participate in sports so she wants all children to have access to sports, as well and that's one of the goals of mrs. obama's let's move initiative. if you can't stand the heat get into the oven. how much is too much when it comes to sharing on facebook and should the boss be emailing you all night? hot 99 joins us. this first one is something i shared on my facebook page. the french government about the outlaw off-work email. >> we are connected every day everywhere we go no matter what, no matter what, the giant ipads, phones, you name it. in france they may pass a law from having a boss emailing you after hours or weekends. >> hallelujah. >> here's the thing, when americans were asked the same question they wanted to do that. they said no because it's, quote, not in our dna. >> our work ethic ist

time, man, when you're at the park with your kids and you're trying to get dinner ready and the emails are coming one after another, it can be brutal. >> absolutely. >> when it comes to sharing on facebook, where exactly do we draw the line here, man? this was a huge question this morning because we want to know if the hour and 45-minute birth that was broadcast live on facebook was a bit much. audrey said hi to facamo. she gave birth on facebook live and believe it or not an hour and 45 minutes later 2,000 views there was a beautiful little baby and a lot of congratulations. how much is too much? maybe a photographer in there and a videographer? what about it being broadcast live. >> we are on facebook live right now. that's cool. i was just at the birth of my daughter about

>> congratulations. >> thank you very much. i can't imagine why anybody would want to watch that and i can't imagine my wife ever agreeing to put that out live on facebook. >> watched the entire thing. it was unbelievably compelling, but the question is where do you draw the line? you're absolutely right. >> i don't know. this chat may have used and it couldn't take the heat so it got into the stove. >> there were huge fires in alberta canada. i want you to meet tux. tux hid in an oven while the house was on fire. the oven exploded because it was a gas stove, shooting the oven out of the house. they say that's what saved tux's life because of the way it landed. the way the own eers found tux because of a media post and it was a

that looked like tux only dirtier accident caption was holy smokers its, it's dirt. >> take care of that throat, kane. >> a plane shaken with people so violently that it left passengers injured and some sick. now people want to know what on earth went wrong and the rain is back just in time for your evening when the rain could star t

breaking right now at 4:30, the man who drove a pickup truck on to the national mall is in custody. police say he was exposed to anthrax and he drove on to the mall to warn everyone. this happened on the mall near third street northwest. it's not yet clear who this man is. >> there are new safety concerns after a train hit and killed a teenage girl in burke. fairfax county police tell us erica dunn was walking along the tracks last night when this happened. in baltimore, a police sergeant took the stand today in an effort to defend a police officer on trial in the death of freddie gray. officer niro is facing a jury trial and closing arguments are set to begin on thursday. >> at the live desk we are

d.c.'s gun laws. particularly a requirement that a concealed carry applicant has to have a good reason to fear they're a harm to themselves or their property. that decision reads in part that the district's good reason requirement infringes on second amendment activity because it does not allow individuals to carry a license to carry a concealed firearm in public for legitimate self-defense purposes. the police chief determines who issel ij for a concealed carry permit and with this decision, chief lanier will no longer use the good reason requirement. back to you. >> call it a face-off over facebook. tomorrow ceo mark zuckerberg will be meeting conservative leaders to discuss accusations the trend is bias and the senior adviser to donald trump are some of the people in the meeting. facebook came underir

conservative said it deliberately ignores conservative stories in the trending topics feature. the company denies the charge as do some of the current employees. now to the presidential race. oregon and kentucky are voting in their democratic primaries and hillary clinton has a large delegate lead and it could weaken her chances in thefall if she becomes the nominee. steve handelsman is the latest on this dilemma, steve. >> it is a dilemma for hillary clinton and she wants a turnaround, pat thanks. she lost to bernie sanders last tuesday in west virginia and she's set out now to win in a similar blue collar coal mining state. leading up to the primary vote today in kentucky, hillary clinton reached out to democrats even to coal mining families who her push for clean ue

a $30 billion plan to help coal country. she's campaigned hard to kentucky trying to keep bernie sanders from beating her again. >> i guess because she understands the state that's in play and i have to guess it's a close election. >> reporter: even states where her concern is the momentum for the november election. >> when you have a candidate like hillary clinton who has image problems to begin with, the weaker that she looks, the more vulnerable that she looks, the more difficult it would be to amass a wide coalition against donald trump. >> in a new ad a pro-clinton super pac mocks trump's comments against women. >> trump called it amazing that hillary could do an ad concerning women when her husband bill was in trump's word, an abuser of women. the clinton lead over trump narrowed three points in the lead nationally in the survey monkey online

more motivation for clinton to notch a couple of wins tonight. bill clinton today refused to comment on donald trump's charge which trump has promised to repeat face-to-face with hillary clinton if they end up the nominees and do presidential debates. bill clinton refused to comment on trump's charge that he was one of the biggest abusers in u.s. political history, and i think people are smart enough said the former president to figure this out without my help. i'm steve handelsman, news 4. here in the storm team 4 weather center we've been fending off our grumpy co-workers all day and trump has been doing his best to use his charm to make people less irritable because the rain is getting to us and we are seeing it continue to rain virginia and maryland. we still have lingering, stubborn and very light rain falling around the metro area d

north and east and we are seeing breaks just to our west, 30 miles west of it and gradually time is on our side as we get into the evening hours and we'll have clouds around, damp and cool, and 7:00 p.m. in the mid and upper 50s and mid-50s with a lot of clouds around and might have patchy fog starting off early tomorrow morning and by then, temperatures will be down into the low 50s. coming up this half hour, we do have promising news for you, when the sun returns and that's in just a few minutes. >> thank you, tom. here is a live look at the capital where a three-month delay the senate is taking action for money to fight the spread of the zika virus. the senate is slated to vote today on three competing measures. one of them is a bipartisan funding plan. it would provide $1.1 billion in funding to battle zika. that's less than the nearly $2 billion the president has asked for, but many believe the slimmed down version would have a better chance of winning

time right here on news 4 at 4:00, and now he is joining the "today" show team. >> billy bush will be part of the 9:00 hour and the part that emphasizes lifestyle and entertainment. billy has hosted "access hollywood" for 15 years and he'll start his new gig during the olympics in august and it was announced earlier this month and natalie morales will become the new host for "access hollywood." one's going to new york and the other to l.a. i don't know if you were awake to see this, but a whole lot of people saw it. the light in the sky in the night. the force of nature that had millions of people wondering what happened, and it was all caught on video. plus why did some folks on capitol hill just catch sight of some sesame street characters? he've got t

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the ten seconds of really high gs and ten seconds that it felt like we were floating. >> they wanted some medical attention and then we were, like, oh, god. what happened? >> a southwest airlines planed headed for chicago was forced to turn around after it ran into severe turbulence. this happened shortly after it left boston last night. two flight attendants were injured and some passengers started throwing up and passing out. a nur

the plane jumped in to help. southwest says no one was seriously injured. >> fairfax county wants to make the turnpike more bicycle friendly from fairfax to alexandria and tonight officials are asking the public to help them do it. they have short-term plans and long-term plans for improvements and the meeting starts at 6:30 tonight at annandale elementary school. they put together service packages for troops overseas. rosita joined with the united service organization. tammy duckworth was among the lawmakers who stopped by. she's a veteran who lost both legs during her deployment in iraq. >> this is a little bit of comfort. it's a little bit of home, and i remember getting these over the years whether i was on a humanitarian deployment or being deployed to cat

somebody had thought about me and just wanted me to have a little something. >> they put together 1500 care packages to celebrate uso's 75th anniversary. >> what a great organization. summertime means sunshine, remember that? but it can also carry some pretty serious health risks. sunscreen is supposed to keep your skin safe from the sun's dangerous rays, but not all of those sun screens are up to the task. >> consumer reporter susan hogan digs deeper into what you should keep and what you need to throw out, andou're only going y

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and the rain continues in the metro area, but sun is on the horizon. a look at when that arrives and some awesome video of a fireball over new england this morning. that's coming up in a few minutes. and your sunscreen may not be doing everything you think it does. i'm consumer reporter susan hogan with a warning you need to see before you head into the summertime sunshine. streaks of light across the night sky. >> the unbelievable video that made the dead of night look like the middle of the day. first, tornado, flooding, hail, all of it slamming parts of the country. >> and the worst part of it is is it's not letting up any time soon. nbc's kerry sanders is in oklahoma, one of the states 's

violent weather in the plains states just 20 miles from here in oklahoma city and winds were clocked at 69 miles an hour, but the real focus has been on tornadoes. here are two suspected tornadoes that touched down in the panhandle of oklahoma. assessment of damage appeared to be minor. no injuries reported and then as they move south, it's been really bad down in texas, specifically in and around corpus christi where they got 12 inches of rain in 24 hours and the floodwaters are receding and residents are having to put up with all of that nasty damage that results from the flood. finally, hail stones falling throughout the area and of course, the damage so far has been astronomical and the insurance industry estimates that this year which has been a busy hail season they paid out over $1 billion in damages from haa

and more hail is forecast for today. in oklahoma city, kerry sanders, nbc news. >> we've been seeing video like that for the past couple of week and it puts our own weather in perspecti perspective. you could get stuck in it if you're not prepared. tom, we keep asking you the same question. how long -- when is summer going to start? that's what i want to know. >> the solstice on june 20th. summer weather. i'm safe with that. we'll certainly have summer by june, but between now and then it continues unusually cooler than average and the mid-70s and as we look at the storm team 4 radar we continue to see the rain passing off to the north and east. as we look in the awesome video, this is in portland, maine. there was a police officer parked with his dash cam and

that lit up the landscape. we'll repeat it here a couple of times and slow it down. it was brighter than lightning and it completely lit up the sky and it looked as bright as the sun and it was seen from southern canada, all of the way down to northern maryland there were reports of people seeing that. the radar showing this rain continuing to track off north and east all a part of this disturbance that's just been plaguing us here for the last day or so and it is drying out north and west and we'll be driving up to 270 toward frederick and we'll be driving out of the rain and going out to route 7 and by the time you get to leesburg and 66 and by the time you get to front royal and you see it breaking up in the metro area as it tracks off to the north and east. temperatures are just stuck in the 50s and we haven't moved at all since the morning in the mid-50s and reagan national at 55 has hardly budged all afternoon. the travel impact forecast for ton s

traveling around. it might have fog late tonight and then tomorrow morning and all of the wednesday morning commute could have damp road again and that means fender bender weather and tomorrow afternoon should be okay. and then again tomorrow night we could get a little more rain moving in. and the hour by hour forecast, 7:00 p.m. damp and cool in the upper 50s and it may warm up early evening and mid-50s by 11:00 p.m. and perhaps for part of the morning commute, temperatures in the low 50s. winning on the bus tomorrow morning and a chance for some sprinkles and just some clouds around by 9:00 a.m. and still low 50s and the chance of a few sprinkles around and the four-day forecast and we get into tomorrow evening and the highs only reaching near 60 tomorrow and might get a little more wednesday night and finally some sun back on thursday. highs reaching near 70 degrees and it will certainly be welcome and on friday, too, another great day and just a few more clouds around up near 70

then as we get toward the weekend, saturday looks like some showers coming through with rain with temperatures in the upper 50s. then on sunday you might get sun breaking out and still a chance of getting a few sprinkles off and on and sunday looks like a better day toward the weekend. as we get toward next week we'll see sunshine back on monday and tuesday and maybe warming up near 80 degrees, believe it or not and a nice warming trend on the way. all right. that sounds good. of course, we're all hoping we'll see more of the sun soon, but before you know it, summer will be here. a new study from consumer reports show some of us only use sunscreen. consumer reporter susan hogan is in the newsroom with what we need to know about sunscreen this year. susan? >> pat, consumer reports tested dozens of sunscreens and found not all have the protection they promised. >> there are a lot of options when buying sunscreen.

found that even people who regularly used sunscreen don't always have a new understanding of what they're buying. people look at the spf and sun protection factor. it's only one part of protecting your skin from the sun. the spf is one factor for how well it shields the sun from uvb rays and are the chief cause of sun cancer and uva can contribute to wrinkles. uva and uvb rays can increase the risk of skin cancer. >> consumer reports recommend bo against both type of rays. in the uvb test technicians provide sunscreens to panelists back and have them soak in a tub for 40 or 80 minutes and depending on the product's water resistance, and the areais

exposed to uvb light and the next day the area is tested for redness. more than 40% didn't have the spf they promised. to check uva, technicians passed a uv alight through sunscreen samples and again, some had problems and consumer reports found some sunscreens aced the test and are a good value. among the best, pure sun defense spf 50 for about $6 and it creates ultra protection spf 50 for $8 and no ad sport spf 50 for $10. consumer reports also tested spray sunscreens to find the brands that rated best and just go to our nbc washington app and search sunscreen. susan hogan, news 4. i'm megan fits gerald around the b.w. parkway. major arteries like this one is becoming increasingly dangerous

parkway you will notice in some areas the lane striping on the roadways is wearing off or very difficult to see and the president of the union says that's a major safety concern along with potholes. many cars hit these potholes rendering their cars disabled. many drivers say they're noticing that issue on the parkway, as well. coming up at 5:00, we'll tell you what the national park service says about addressing these issues and why it's such a challenge. destruction in the blink of an eye. clearing up a year-long mystery about why a train from washington ran off the rails s and how it could change the travel industry. it is summer safety week on news 4 today. >> with the zika virus in the news everyone's worried about mosquito season. >> which bug repellent is your best bet. susan hogan is wking foror

a man caused a nightmare for commuters on a busy expressway in chicago this morning, trying to avoid police he ran through traffic and back and forth over highway barriers until his pants fell down. vehicles with the department of transportation trapped the man and you can see a state trooper take him into custody. new details right now about today's federal hearing on the deadly amtrak deraie

philadelphia. investigators blame a combination of human error and the lack of failsafe technology. >> and of all thing, vandalism also played an indirect role in that disaster. nbc's brian mooar has the latest on what the ntsb found. >> reporter: may 12, 2015, a commuter train in philadelphia is pelted by rocks setting off a chain of events that lead to a deadly error by the engineer of another train. amtrak northeast regional 188. he went in a matter of seconds from distraction to disaster. >> an investigation by the national transportation safety board finds the engineer brandon bastion was distracted by radio dispatches about the vandalism and waiting to occur at 106 miles an hour more than 50 miles over the speed limit? the locomotive in seven cars hurdled off the tracks killing eight and injuring 200. human error blade a significant

role and the ntsb also faulted the absence of a fail-safe breaking system known as positive train control. >> if they'd had ptc installed in this section of track this would not have occurred. those lives would not have been lost. and it's technology the ntsb has been pushing for decades. >> i'm very concerned that we're going to be back in this room again hearing investigators detail how technology that we have recommended for more than 45 years could have prevented yet another fatal accident. >> amtrak says it has implemented the automatic controls across much of the heavily traveled northeast corridor. the railway takes full responsibility for the crash and promised to carefully review the ntsb's recommendations. brian mooar, nbc news, washington. news 4 at 5:00 begins with breaking news. now at 5:00, an an tranth scare on the national mall a man said he was exposed to the daou

the grass right in the middle of the mall and stopped. this is still unfolding and it's in front of the capital. our shomari stone has been gathering new information for us and what have we learned since police gave that statement in the past few minutes. >> it's a very bizarre story to say the least and the men came back with the anthrax tests and you look right over there and there is a pickup truck and there say robot there and it is in the process of inspecting it to make sure there isn't anthrax and potentially deadly substances and the u.s. park police and capitol police and the d.c. fire hazmat crew is on the scene and let's take another look from the camera. a man drove the pickup truck on the mall near third street northwest around two hours ago. they say he believed he was exposed to anthrax and he wanted to warn people. he told police he was

the substance on the field. once he drove out to the national mall, let's roll video. he called u.s. capitol police and the police took him into custody and checked him for anthrax and the robot is inspecting the truck to make sure there isn't anthrax or deadly substances on it and this comes at a tough time for tourists and many of them coming out here to snap pictures of the capitol and many of them coming out of town and they planned on coming, walking right down third street northwest to the national mall. well, that is blocked off right now. a lot of folks are getting off work, and i must tell you just to avoid this area near the capitol near third street northwest. police have not released this man's name. again, this story is developing and we'll bring you more details tonight at 6:00 here on nbc washington. live on the national mall, i'm shomari stone, news 4. >> thanks, shomari. now to concerns