Area. The airliner was filled with citizens from many countries, so there has to be a credible International Investigation into what happened. The fbi and the National Transportation safety board are sending experts to assist in the investigation. It wont be ease where i. The crash site spans over ten miles and is controlled by rebels who may have blown up the plane. This should snap everybodys heads to attention and make sure that we dont have time for propaganda. We dont have time for games. We need to know exactly what happened, and Everybody Needs to make sure that were Holding Accountable those who committed this outrage. The u. S. Ambassador to the u. N. Says america cannot rule out russia ws help in this tas. The white house says separatists have blown up planes before, but never a passenger airline. If indeed separatists were responsible, they and their backers would have good reason to cover up evidence of their crime. Reporter most of the passengers were dutch. The plane originated in amsterdam. One more face of the tragedy. Jennifer johnson, nbc news, washingto washington. There was one american. Quinn seansman had dutch and american citizenship. A friend who went to high school with him tells us that he was born in new york city, but lived in the netherlands most of his life. He enrolled in Business School in amsterdam last fall and moved to the city three months ago. He said his favorite quotation was i have a dream. Crash victims were prom independent researchers working on hiv and aids. At least six passengers on the plane on and possibly many more were headed to the 20th International Aids Conference in melbourne where former president bill clinton is scheduled to speak. The loss includes the former president of the international aids society. This is just a terrible, terrible day for the whole h. I. V. Movement. What if the cure for aids is on that plane . Really. We dont know. Sfwloop dr. Anthony of the National Institutes of health is one of our nations top experts on aids. He is traveling to the conference right now. We expect to hear from him when he lands in australia. There is an outpouring of grief and remembrance here in d. C. And around the world for the victims of the crash. Wendy is at the live desk following that part of the story. Wendy. Well, no matter the connection to this tragedy, the love shown for the victims and the families have been swift. A memorial quickly growing outside the Dutch Embassy in northwest d. C. , and that embassy is holding a vigil at 6 00 tonight, and those taking part will then walk to the Malaysian Embassy in memory of the 298 people killed. There has also been an outpouring of support in the capitals of both russia and ukraine. Mounds of flowers placed outside the embassy of the netherlands and kiev, and more have done the same outside the dutch and malaysian embassies in moscow. To give you the idea of the scale of the tragedy for the netherlands, that is a small country, and the 189 victims from that family, relative to the total population, is the same as it was for the United States on 9 11. At the live desk, im wendy reeger. Now back to you. A final social wreed post was meant to be dark humor, but now its haunting. One of the dutch passengers on flight 17 posted a message on his Facebook Page just before he boarded. He posted a picture of the plane with a caption that translated it reads, should it disappear, this is what it looks like. The message refers to the mystery that still surrounds Malaysia Airlines flight 370, presumed to have crashed in the indian ocean back in march. A scottish couple and their baby were bumped from flight 17 because there were want enough seats. They were rebooked on a later flight and only learned about the crash on their way to the airport. We were supposed to be on that flight, and obviously, you know, something was watching over us and saying, no, dont get on that flight. Just shock. You get that sick feeling in the pit of your stomach. He said he was philosophical about getting on the next flight to kuala lumpur, but he did not think his wife felt the same way. He said she cried the whole way to the airport. Well have all the latest developments on the malaysia plane crash investigation as they happen throughout the afternoon and evening. You can also get updates any time on nbc washington. Com. A Security Guard is in the hospital right now after a van slammed into his guard shack. Police say the minivan hit the shack around 1 00 on curtis drive off branch avenue. The shack is in front of an apartment complex. Firefighters say the guard has serious injuries, but they do expect him to be okay. Police are still trying to figure out what happened with the driver and how that van ended up hitting the shack. Presence georges county bureau chief is on the scene, and well have a live update on news 4 at 5 00. New at 4, a capitol hill staffer placed on unpaid administrative leave following a gun charge. The staffer is the press secretary for a pennsylvania congressman. He is accused of carrying a handgun and a magazine into the Canon House Office building. The staffers name is ryan schutgard. He was arrested about 9 00 this morning. He is now charged with carrying a pistol without a license, which is a felony. The gun was found by metal detector at one of the entrances. He told news 4 it was a total accident. Were still learning details about this case, and well bring you the very latest in a live report coming up on news 4 at 5 00. Two different women were caught at separate times trying to get through bwi security with stun guns. Tsa officers caught a silver sfrink spring woman with a stun gun in her carryon yesterday morning as she entered the airport checkpoint. Then last night a baltimore woman was caught with a stun gun in her carryon. Xray machines detected both weapons. Police confiscated them and gave both women tickets. The silver line countdown is on. First, an exclusive look at the last stop as trains get ready to roll. Its a story youll see only on news 4. Plus, the new rules protecting pregnant women at work. How both moms and dads will benefit. Here we go. Weve had another stunning day today. Look at this. Weve got clouds not too far away. Over west virginia. Yes, theyre bringing some rain, and theyre eastbound. Will they deliver rain would you hop on a bus if you knew the bus wouldnt get stuck in traffic and ride in its own lanes . Thats the idea behind the new transportation project taking shape in northern virginia. Arlington Transportation Leaders broke ground on their portion of the crystal city potomac yard transit way today. The route will connect with a similar project thats underway in alexandria. The transit way will have stations and youll be able to get on and off just like you do the train. Eventually Transportation Leaders hope street cars could run on these dedicated lanes away from traffic. Its the last stop along phase one of the new silver line that opens next week, but the rustin station is sport aing massive new garage thats more like a transportation hub, and first at 4 00 we get to show you an exclusive tour of the place. Above ground a scenic pedestrian plaza that will be surrounded by highrises. Down under, a soon to be packed bus depot. Fairfax connectors are adding 16 new routes and changing 28 others. See a lot of county action where fairfax connector passengers will be able to board their buses and transfer between the silver line and their bus routes to and from rustin and herndon areas. There are five levels of parking and even a secured bike room. David just toured the place. He will bring you there live on news 4 at 5 00 and be sure to check it out yourself before it opens. Thousands of people line up for free dental care in southern maryland, and its not too late to get your place in line. Plus, a surprise guest crashes. First Lady Michelle obamas state dinner for kids. Why theres a higher risk for earthquakes than ever before right here on the east coast. Plus, will the humidity return this weekend . At the leave desk we have a serious accident affecting traffic at old georgetown road and the beltway in montgomery county. The southbound lanes are closed. A metro bus. These are live pictures from chopper four. A metro bus and two Passenger Vehicles collided right there, and apparently we have some serious injuries. They have theyre trying to extricate one person from one of the vehicles and two other people are at this point being transported to the hospital. Well keep you posted. Back to you. A Maryland Group is trying to give people something to smile about. Its offering free dental care today for adults today. A steady stream of people have been showing up at North Point High School and waldorf all day long to take advantage of the services. They include cleanings, fillings, and even extractions. They expect to treat as many as 2,000 people. I think this is absolutely awesome. I think its also indicative of how many people dont have health insurance. I registered before i got here. Thanks for the service. Thanks for everything. Today the clinic also dealt with a couple of medical emergencies. One woman standing in line went into labor and had to be transported to the hospital. The Dental Clinic runs today until 6 00 and then again tomorrow from 6 00 a. M. To 4 00 p. M. Things are about to get better for pregnant women that work. The equal Opportunity Commission has updated its pregnancy discrimination guidelines. As britney reports, it comes as a maryland mothers case heads to the Supreme Court. Reporter for the first time in 30 years the equal employment Opportunity Commission issues updated guidelines against pregnancy discrimination. Clari like the pregnancy discrimination act. Pregnancy discrimination is gender discrimination, and has been sex discrimination under title 61978. Reporter the Supreme Court will soon hear a case of a ups worker who says she was forced take unpaid leave after she got pregnant. Under the new guidelines employers cannot force pregnant workers to take leave and must provide light work. 1997 when pregnancy discrimination has increased by 34 . Production she needs to have ample opportunity to take a break and to pump breast milk. The changes also protect men. The guidelines say men and women must be treated the same. If the woman gets two weeks off, so does the man. New guidelines to hopefully clarify confusing federal laws and build stronger families in the workplace. The law also keeps employers from discriminating against women who have a miscarriage or abortion. It appears more women are speaking up these days. The number of pregnancyrelated employment complaints just nearly 50 . Between 1997 and 2011. Its the conclusion of scientists that the geological survey. Their new assessment out this afternoon finds the potential for larger and more damaging earthquakes in the east. The scientists learned a lot from the rural virginia centered quake in 2011 that was felt over a broad area, including ours. It was one of the largest earthquakes in the east over the past century and helped determine that even larger ones are possible around here. Did you happen to look up and see anything in the night sky last night . Other than stars. A meteorite apparently streaked through the air right over the d. C. Area. There were sightings reported from bethesda to spotsylvania, and heres what appears to be one falling. At least somewhere in the video. Raleigh, north carolina, driver caught that on his dash cam. The American Meteor Society says there were nearly 100 reports up and down the east coast last night alone. Pretty amazing video. Catch that. Look at that. Did you see it . I did not, but about the only thing folks are focussing on right now, i know, is the weekend forecast. Thats right. And the question is can we get another streak like this . Can we keep it going . Were going to be halfway there for the weekend. Ill explain that in just a moment. Got a few clouds building right now. Not delivering any showers. It feels really nice still outside. Our temperatures in the 80s. Most neighborhoods right now. You can see the numbers there. From 83 and in and around d. C. Due port circle, 81. 82 degrees around college park. Sandy spring around 80. Its 79 degrees. The beach locations with that east wind anywhere from the mid to the upper 70s. Ocean city, 75, 78 degrees, and it is the beach locations that will be fairly cool this upcoming weekend too. The forecast, nice evening for us. We go from 83 where we are right now to 79 degrees. Just under 80 by 9 00, 10 00. Still, very nice. Ill call it mild around 11 00 p. M. At 76 degrees. Some mornings, though, on the cool side. Back into the 50s. Wind shifts at martinsburg, 58 degrees. 57 in hagerstown. 68, ten degree jump there in d. C. , and then its mid 60s. Yes, those are showers you see there in western maryland. There will be a chance early in the day tomorrow for the mountains. Here in this your future weather. Around frostburg and cumberland. I think probably staying just west of hagerstown early tomorrow morning. Well go from a mostly cloudy to partly sunny sky. I think well go back to late in the afternoon. Lots of clouds, but its still going to feel just as much with warm temperatures in the low and mid 80s and reasonable humidity. Sunday, plenty of clouds again. I think a hands for some isolated showers. You can see them mainly down to the south here. Petersburg, lore yea around fredericksburg and waldorf. Maybe up around areas like salsburiy and cambridge during sunday afternoon. Yes, that does include the beaches for sunday right now. Impact forecast, storm team 4 for tomorrow, comfortable low humidity. Boom, we got a big old none for tomorrow, and well take that because heat and humidity will be returning in the days to come. Your weekend, 83 degrees on saturday. 84 degrees on sunday with a 30 chance of an isolated shower on sunday. Its not going to be a washout by any means at all. In fact, weve got dry conditions early part of next week. 86 on monday. 90 degrees on tuesday. Partly sunny sky. Dry. Humidity will start creeping up with that heat. Well take a look at your extended forecast and, yes, the mountains and the beach forecast coming up with more detail just a little later in the newscast. News 4, your health now. Another good reason not to forget the bug spray. A painful virus spread by mosquitoes has reached the u. S. Its called chickengunya. Symptoms include muscle aches, swelling, and rash. Its believed to have spread if the krar bean. One man said he picked up a virus after he volunteered in haiti. Theres no known vaccine for it. No one in the u. S. Has died from it so far. They were once marketed as the healthier alternative to tobacco, but now ecigarettes seem to be taking a hit in popularity. After years of steady growth, sales fell in both may and june. Spoking Industry Analysts say many smokers are returning to regular cigarettes. Dont expect shop. The smoking device is still a billion dollar business for tobacco companies. Some young folks got a chance to dine with the first lady today at the white house, and somebody crashed the party. Well take you to the state dinner for kids. Are you being deceived by fivehour energy . Before you reach for that jolt of energy, im Erica Gonzalez, and ill tell you about the one youngster said cooking helps him bond with his mother. Another said she cooks because she wants to become a chef someday. They also are among the 54 winners of the third annual healthy lunchtime challenge. First Lady Michelle obama hosted a kids state dinner at the white house today to recognize winning chefs. Contestants between the ages of 8 and 12 had to whep up healthy, affordable, and tasty original lunchtime recipes. One winner from each state and the district was chosen. Out of more than 1,500 entries. Some of the winning recipes were served at the event in the east room, and guess who stopped by. We have a lot of state dinners around here. We do. Theyre not always as cheerful and fun as this. First of all, everybody is older and a little stogier, but this is a much hipper crowd. We are so proud of you to see the kind of leadership youre taking. Can you find a list of all the winning dishes on our website, nbcwashington. Com. Just search healthy lunchtime challenge. Beyonce is not in the rock n roll hall of family yet, but her clothes soon will be. Man on my hip the outfits she wore during her super bowl performance and music videos will be featured in the museums main xebt hall right next to items from michael jackson, david b owi e, and bruce springsteen. She wont be eligible into the rock n roll hall of fame as a member of destinys child until the year 2022, and then as a solo artist shell be eligible in 2027. Its another big change in the comic book world if you read them. Captain america is becoming africanamerican. Officials at marvel say superheroes, the falcon well son will take over as the patriotic avenger in the upcoming installment of the longrunning comic book series. The change will come in november, and all new captain america number one. Former captain america, steve rogers, will be a mentor and a Strategic Advisor to wilson as he takes on the new role. Earlier this week we told you that four will now be portrayed as a woman. Also, iron man is relocating to san francisco. Well, we all know some people cant talk on cell phones and walk at the same time, so what happens when cell phone talkers get their own sidewalk lane in northwest d. C. Zarchlgts right now at 4 30 investigators try to find out what brought down a malaysian jetliner. The First International monitors are now on the scene. In light of this disaster, we want to know where is the safest part of the airplane for children . Were taking an in depth look at why seat belts are not required for kids. Good afternoon. Im Barbara Harrison in for jim handily. Im p