Where Prime MinisterStephen Harper and lawmakers were at work. There was furious firing. [ gunshots ] reporter the gunman was shot dead reportedly by parliament sergeantatarms kevin vickers. Police fanned out to see how many more gunmen might be part of the terrorist attack. Just two days ago two soldiers in montreal were run down, one killed by a suspect said to have ties to isis. Canada has sent six warplanes to help bomb isis in iraq. Todays attack looks like retaliation. These are i conic government targets exactly what isis and propaganda have been pushing people to attack. Reporter president obama said the u. S. Is on alerted even though its not clear what happened or why in canada. It emphasizes the degree we have to remain vigilant. Reporter back in ottawa, Police Ordered people to stay indoors and way from windows. Were treating this seriously. Police fearful one or more terrorists were loose. Steve handelsman, nbc news washington. The deadly shooting spree is having a Ripple Effect in our region. Extra security in place at the tomb of the unknown soldier at the Arlington National cemetery. Military officials said its just a precaution and havent said how long this extra security will stay in place. And were hearing about an intelligence video from the white house two weeks ago warning about isis sympathize ers in the u. S. And stems from an isis web forum last month urging homegrown extremists to retaliate or air strikes in iraq and syria. The president says there is concern for the u. S. But would assist canada if necessary. And putting extra precautions in d. C. , you can see the flag halfstaff on pennsylvania avenue next to the museum and a few blocks from the u. S. Capitol. They locked the front doors and access doors but people were still allowed in and out of the embassy. Our coverage does not stop there. Get updates and watch for a live report on nbc nightly news at 7 00. Take a check now on the weather. Dark, cold, pretty gloomy . For some, the rain still sticking around. I think you have to keep the umbrella handy. This noreaster continues off the coast. For us, our winds have been out of the north, portions of bonuses and new england. Theyre getting hammered by this thing. For us, the rain and we have rain in Southern Maryland and Prince Georges County and calvert and st. Marys. Toward the north, look at carroll and howard and mo montgomery, in and around the district. Were not done with the rain just yet intensifying with big winds for boston and new york city area and will bring in stronger winds. We will talk about that coming up. Thank you. A d. C. Charter school rocked by scandal, woman arrested accused of having sex with a student. She just appeared before a judge and spoke to reporters befoas s left the court. Reporter as her parents sat in the courtroom and watched, 22yearold Symone Greene cried and was shaky as she made her first appearance before a superior court judge. Do you have any commencement at all . Reporter greene entered a plea of not guilty in and give an court date for last month and refused to talk to reporters. It happened last friday while school was still in session, 22yearold Symone Greene met the 17yearold student on her first day at work at options public charter school. The two were texting each other about sex on the same day. The student asked her if she was kinky. She texted back, i dont tell i show. While most students were at a pep rally that day, the 17yearold student returned to the teachers classroom and asked her to perform oral sex on him the same number of times that corresponds to his Football Jersey number. The student secretly videotaped the encounter and showed it to members of the football team. Thats when school staff found out. In a statement, the School Principal writes, when School Administrators learned of the incident monday morning we immediately contacted the child and Family Services agency, the metropolitan Police Department and family of the student. Mpd responded immediately and began an investigation into the incident. Reporter these just released Court Documents reveal greene might be facing additional charges. In these documents she tried to convince the 17yearold victim to lie to police and that could mean obstruction of justice charges. Shes due back in court in midnovember, reporting at d. C. Superior court, mark segraves, news4. New details in a shooting that left a d. C. Teenager dead. 13yearold tyronn caldwell was accidentally shot by his 14yearold last month. It happened inside an apartment on downing street northeast. According to Court Documents, the 14yearold was showing his friend his mothers gun while a magazine fell out and didnt know a bullet was still in it and pulled the trigger. The mother could face charges. The cdc announced everyone traveling from a country hit by the Ebola Outbreak will be monitored for weeks just to make sure theyre not carrying the deadly virus. Live at Dulles International airport, how are the travelers reacting to this . Reporter most of them are saying this sounds like a good idea. They also wonder if it will work. The cdc calls it a care kit or a kit to check and report ebola. In it, a thermometer, tracking log, a description of symptoms and pictures and who to call if they get sick. Every person arriving to the u. S. , whose traveling or nates in sierra leone, guinea and liberia, they will use these kits to report how theyre doing everyday for 21 day, the ink bigs period for ebola. At Dulles International a lot of opinions. That way we can prevent our country the u. S. Helping not spread very fast. Its for everybody. [ inaudible ]. People arriving in the west african countries will be required to report to state and local Health Officials. If they can keep track of it, i think its a good idea. Thats the question, will they . Reporter were told if these travelers dont check in everyday during that 21 day peri period, Health Officials will take immediate steps to find them. Live at dulles airport. Breaking news, we have just learned one of the dallas nurses to be diagnosed with ebola no longer shows signs of the virus. Amber vinson no longer detected with ebola. Earlier this month, a local nurse shared a flight with vinson and worked in the district. The hospital did not identify this nurse but says she properly reported her travel and since reported to work. The has since gone back to work because she shows no risk of the disease. More on the home coming for an nbc news photographer who has been declared ebola free. A lot of young journalism students werent even born when ben bradlee ran the washington post. Tonight, theyre able to appreciate his life and influence in part thanks to a special Study Program here at the university. Reporter its a sad day in journalism, a really sad day. Reporter on the American University campus, author and professor ckraznow telling journalists about ben bradlee equipped with cell phones and laptops but not born until after he bradlee. Actually, i never heard of him before and what i read about him was very fascinating. Reporter monday night they were listening to bob woodward and Carl Bernstein and asked if bradlee was more important than they were. Yes. And he was tough on them as he should be. The truth emerges as one of his philosop philosophies. It takes time to get truth and you need truth in journalism and today there is a lot of immediacy and impatience. Back home, it seemed like prying into somebodys business and i never realized how much aid it brings to the public. Ben bradley made the difference. Reporter trying to explain his brass personality. Did he cuss when you talked to him . Yes. But he was so reflective, cutting, honest, edgy humor that lit up your soul, really. Reporter for just about everyone who knew him, thats about right. Tom sherwood, news4. Ben bradley was a giant. Search for hannah graham. The renewed effort to find a teenager in another high profile case. We know what a truck driver was doing that caused this dramatic Train Derailment in maryland. There was a cracked rail. Its a morning commute a lot of metro riders would probably like to forget. Thousands stuck for hours last month because of a cracked rail. Tonights report not only shows metro made missteps in response to that problem, there were indications the Transit Agency might have had a sign the whole ordeal was coming. Adam joins us live with detail reporter after looking at the action report, one thing is clear, metro wanted to get its people here faster. 41 minutes to get to Dupont Circle during the morning rush. Thats how long metro says it took to get here to start fixing this rail which snapped straight through last month and the supervisor that was sent out to make the fix went with the wrong crew and ended up getting stuck in traffic. 41 minutes is a little bit late, right . You would like to see it quicker than that . I would like to see that to be as quick as possible. Reporter further complicating matters, metro said crew members had to wait to make repairs while the right equipment was brought in from the street. Cracks happen on metro. They noticed an anomaly on this track 13 days before the snap and revealed nothing imminent and two days later a break and they say it will be changing. I know when i take longer rides it doesnt work so well. Every time i get on there, im expecting, at what point are we going to stop again . Reporter live at the Dupont Circle, the metro board of directors will get a full report on this tomorrow. Adam tuss, news4. No umbrella over adams head, a good sign. He does have the jacket on. He obviously listened to us at 5 00. I like when the guys are listening. And what about ahead . Adam, if youre listening to me, you need an umbrella later on. Were talking about the wind as well. 23 miles an hour wind gusts in manassas. 33 miles an hour wind gusts the top of the hour. Twub in baltimore. The wind is what were dealing with this evening. Winds 2030 wont have that big of impact, will make things feel colder. 54 degrees in gaithersburg and 56 in martinsburg, 56 degrees, on the cool side for sure. Heres the rain through maryland and fredericksburg. I want to focus on these showers around eastern fredericks county and damascus. Headsup for your area. These are drifting to the south. Montgomery county you will see those showers again. Dont think were done. Bethesda, more rain around Prince Georges County and this county. It will continue the next few hours and more st. Marys county and leonardtown and mechanicsville seeing rain. The heavy rain is going out of our area. Look at all the heavy rain and thunderstorm activity just off the coast as it continues to ramp up. As it does so, look at the low pressure. Notice the cloud cover associated with it. I think were in for cloud cover and more wind during the day. 8 00, 9 00 tonight, most of the shower activity out of here. Keep that umbrella handy in case. Cloud cover and rather breezy cool conditions. Notice that out to the bus stop or walking to school or work. We may start to see breaks and that would be welcome news and sunshine. Your commute erimpact. Wet roads for shore. 53 degrees around that 6 00, 7 00, cool and dry with temperature around 50 degrees. I think the road should be better tomorrow morning. We will see rather breezy conditions so give yourself extra time. Next couple of days, 63 on thursday. 66 on friday, better day here but the weekend looking good. 68 on friday, and a little breezy on friday, the Marine Corps Marathon running there. And 72 on tuesday, 75 on wednesday wow, cant beat that. A developing story. For the first time tonight were hearing from the nbc photographer who has now been declared free of ebola. There were a lot of rough moments for me personally. Im so fortunate to be alive. What hes saying about his rod to recovery. The big announcement back up. Tonight we learned that train crash was caused by a truck erwho did not look before he crossed the tracks. It happened in may of last year in rosedale, maryland. 17 people injured and the cars derailed. The truck erwas using a handsfree cell phone at the time. Recommended to ban cell phones while behind the wheel for truckers. Finding one especially sensitive part of our area, people are not paying attention. In the past few months, Capitol Police have stopped hundreds of reckless drivers near the Capitol Buildings, including streets where senators, and others cross on a regular basis. They captured a lot of drivers taking calls and taking pictures of the Capitol Building while behind the wheel. We shouldnt be protecting members of congress more than the neighborhood. By protecting members of congress they are protecting the neighborhood. The iteam mcfarland took pictu pictures of how often this happened and those on the hill. In may, someone hit and killed a senate starff erwalkin home. Tonight, more than 3 million vehicles are being added to a big airbag recall bringing the total number to 7. 8 million. The u. S. Government says metal fragments can fly out of the airbags when inflated during a cash. More than four people have been killed. They urge you to go to your automakers site and enter your vin number to see if your car has been affected. In charlottesville we wait for identification of the remains found this weekend and also tell you what the fbi is now searching that could link this investigation and suspect Jesse Mathieu to yet another zrrps. New at 6 00, a dermatologist appears in federal court accused of a false cancer diagnosis for patients and how far he took this health care fraud. A dangerous mix of bikers, walkers and driver is in a tough spot and tonight several Law Enforcement agency are investigating possible links between Jesse Mathieu and several other unsolved cases accused of abducting uva student hannah graham. Prosecutors in tied him this week in a sex assault in fairfax. Meanwhile the largest search we have seen since saturday in the Walnut Creek Park area where human remains were found this weekend. David is in charlottesville with the new developments. Reporter the fbi is searching the car of alexis murphy. She disappeared last year in nelson county, virginia. Investigators are looking whether there is a possible forensic link between murphy and Jesse Mathieu. I think resuming is the wr g wronglawrong language because theyve never stopped looking for her. Reporter thats the greataunt of alexis murphy, her body never found. When god is ready for us to find where alexis is he will reveal it. Reporter new search efforts start in orange county. Randy taylor is serving two life sentenc sentences for her death. At this moment, she is the next girl. Not to take anything away from alexis case it was very important we find hannah so her family doesnt have to go through a year and three months of waiting. Reporter we asked the question before, could Jesse Mathieu, the man linked to hannahs disappearance be involved in this one, too. But fbi is looking for a possible forensic link to mathieu. Look writing the still unidentified human remains were found this weekend we noticed stepped up searching raking through the heavy leaves and deputies walking through the woods. They say theyre looking for clothing and personal items possibly connected to hannah. The only people who can understand what were going through and what the grahams are going through is very important. Its important we stand united and people see us as a united front. Reporter neither have released an exact timeline when we can expect an forensic test on alexis murphys car and we still havent gotten confirmation on the Human Remains Found this past weekend. Live tonight in charlottesville, david culver, news4. Thanks, david. Dark sky, damp roads, doug is here to tell us when this rain will finally move on out of here. I think that will be tomorrow. For some of us and most of us west of i95, we are done for tonight around westchester, frederick, warrington and then maybe Prince William and Southern Maryland we have a couple more hours of rain and coming through montgomery, they will come through the district and Fairfax County the next couple of hours. We will take a little bit of zoom. Prince georges county taking rain, steady rain around the brandywine area and sunderland. Lets zoom in around bald eagle and sunday erland and dunkirk were continuing to see the rain coming in. Were not done just yet and i will show you how high our numbers go over the next couple of days. Thanks. New at 6, a local dermatologist is about to go before a grand jury after he was accused of performing dozens of unnecessary surgeries. A jury trial against the man that owns the skin and laser center in vienna and misdiagnosed patients telling them they had skin cancer when they didnt and then performing invasive surgeries and submitting fraudulent insurance claims and accused of doing this about 53 times. She almost got away with it. How Police Tracked down a jealous lover in connection to a maryland man. Pat is live with details. Reporter they described this as an execution. First, she had sex with him and then she shot him in the head. She could have gotten away with it except for one thing. Katrina ben, 37 years old. Shes a trained nurse and now a convicted killer. Prosecutors