Shomari, what are you learning . Reporter good evening. Theres a lot going on right now. You can see im standing in front of the yellow crime scene today. You look over here and theres a white nissan car right there. We dont know how this car is related to what happened in this building, but it is here and they are talking by this car. Lets roll some video. This an active scene. Were on the 600 block of houston. Police are gathering details and searching for evidence in this apartment building. Police say around 2 00 they received an emergency call. Officers rushed to the complex and found a man suffering with a stab wound by the elevator. Officers then ran up to an apartment and they found a woman, a 36yearold woman, with stab wounds. Medics transported the couple to the hospital. The woman died. The man underwent surgery. Police are continuing to figure out exactly what happened. I talked to the chief again and said, okay, you have two peop who did it . Who is responsible . Is there a third party involved . He will not say. However, the chief does say that people in this community do not have to worry about an active stabber or suspect on the loose in this community. Were continuing to bring you updates. Im trying to get to the bottom of all this. Hopefully the police chief will release more information so we can get to the bottom of what happened out here. News4. Now to a developing story in the district where a lunchtime fight ended with a teacher in the hospital and two students in police custody. It all unfolded at washington metropolitan near the Howard University campus. Lets get to pat collins who is live outside the school. What have you learned about this, pat . Reporter pat, this is how people are telling me it happened here today. Two students bring a neighborhood beef into school. That leads to a fight and another fight and another figh a teacher ends up in the hospital and two teenagers end up behind bars. A teenage boy arrested today after police say he assaulted a teacher inside the washington metropolitan high school. A teenage girl also arrested. This is how police tell the story. They say it happened around lunchtime. There was a fight in the cafeter cafeteria. That led to a series of fights around the school. A teacher tries to go break it up. She is assaulted by that teenage boy. An ambulance is called and she is taken to the hospital. Cops converge on the school. As one of the officers tries to settle things down, hes assaulted by the teenage girl. It took some time, restored and the school was dismissed. Heres what one parent had to say about it all. Its an alternative school. When youre in an alternative high school, those are the things that happen. These are the kinds of issues that you deal with when theyre all put into one school. So, i mean, i guess it comes with the territory of being in the type of school that shes in. Reporter now the teacher is expected to be okay. Theres been a lot of violence in and around d. C. Public high schools this week. Ill have more on that coming up at 6 00. Jim, back to you. Pat, well see you then. For a second straight day, the white house was put on lockdown. A man was taken into custody after throwing personal items here over the north fence line. Now, the grounds went on lockdown around 10 30 this morning so officers could do security sweeps. Just yesterday youll recall a man jumped over the white house fence and caused a lockdown. Newly report that he had just groped a female student at George Washington university. Another arching insulator on the red line causing problems for metro commuters this morning. It happened near the Friendship Heights station. The piece of the equipment that protects the high voltage third rail started to burn. Trains had to single track for a while. The same thing happened at the Friendship Heights station over the weekend. Just up the road in bethesda, a broken water main causing problems for both the morning and evening rush hours. Crews are still working to fix the main and mend the maged road on Rockville Pike. Adam tuss joins us now with a progress report. How are the repairs going, adam . Reporter taking some time out here, pat. I can tell you only one lane continues to get by southbound. Traffic in the other direction is a problem because there was a crash on the inner loop of the beltway. Ha but for the water main, take a look at the hole thats actually still here in the ground of the southbound lanes of 355. Thats wha whats happening now is theyre waiting for another shipment of gravel. The tamper has broke. Its going to be one lane like this through the entire evening commute. It has happened here again. Has it been a challenging day . Very challenging. Reporter water flooding Rockville Pike after a break in almost the same location as a major main break back in october. This was a split break. This was a split break, exactly. The bad kind . The bad kind. Reporter a split break is more difficult and more powerful because it runs down the length of the pipe. This was a split break. We were here as they pulled the 75yearold pipe out of the ground. The pipe is simply too old. 50 of our pipe is or older. Reporter commuters are getting tired of dealing with all of it here. Its usually terrible and now it is just worse because it is down to one lane and then you had an accident. This is like the second time in a year that this has happened, right . Its been a couple months. Reporter residents in this area now have their water turned back on. We actually want to show you a live picture right now of the inner loop of the beltway. I mentioned that tractortrailer crash that was causing all those issues. This is on the inner loop between 355 Rockville Pike and connecticut avenue. Come back out here now live. Weve been talking about the water main break thats on Rockville Pike southbound. You take a look at the traffic. Im going to ask my photographer to swing it all the way around so you can look all the way down 355 and Rockville Pike. If you dont have to be would advise you to stay away completely. The countdown is officially under way now. The flame for the summer Olympic Games in rio is a step closer to reaching the host country. Today game organizers took part in a ceremonial handoff in the greek stadium where the first modern games took place more than a century ago. The flame will head to switzerland before going to brazil where some 12,000 people will take part in a torch relay. Our athletes are getting into the spirit. Dozens of members of team usa joined Michelle Obama in times square. Wendy rieger joins us live in the big apple where were marking 100 days to rio. Reporter were in the midst of what you might palooza. A band is going to be performing a free concert. Were here in the middle of rush hour. You know how fun that can be. We that are going to go pretty quick. Michelle obama was here in times square letting out the rallying cry. Go team usa reporter first lady Michelle Obama with team usa behind her kicked off the festivities in times square and then found herself on guard with some local kids as team usa counted down the final 100 days on the road to rio. We wish them all the luck in the world. Although they dont need it because theyre super bad. Reporter the band perry fresh off the today show performance joined the crowd. Ill be playing a concert tonight in times square. Live song of team usa. We are truly honored and blessed. Reporter the big apple skyscrapers had to compete with the Womens Basketball team whose members clock in at a lofty 65. Those long arms came in handy when the athletes did a selfie. While this was a day of celebration, gold medal wrestler jord jord jord jord jordan borrows reminds of the reality. It increases my activity in the wrestling room and decreases the amount of stress i have outside of it, so i thank you. Reporter and he is so cool that his twitter handle is all i see is gold. Youve got to bring it if youre going to be putting that out were going to have more coming up a little bit later, but in the meantime im going to be checking this palm tree for monkeys. Back to you. Oh, all right. Thanks, wendy. Thank you, wendy. I dont know who is more pumped, wendy or the athletes . I think they all are. Former Virginia GovernorBob Mcdonnell takes his Corruption Case to the supreme court. Deadly defect. The family of a 17yearold take action today. They claim a recalled air bag took her life. It is hard to acc ranking from top to bottom. Car company of the year . Luxury cars just seem like they would be top awarded. Better be some awards behind what you are paying for, right . The final answer. Chevy. The most awarded car company two years in a row. Wow, its like a luxury car. I was shocked. I mean its like, this is chevy . For a limited time, get cash back for 15 of the msrp on most remaining 2015 chevy vehicles while they last. Find new roads at your local chevy dealer it is now mathematically impossible for ted cruz to reach the magic number of delegates needed to clinch the republican nomination for president before the convention, but just moments ago the texas senator announced an addition to his campaign, adding Carly Fiorina to his ticket. Lets check in with chris lawrence. Reporter ted cruz says no candidate has a realistic path to 1237 and thinks there is going to be a contested behind donald trump. He admits it is unusual to select a potential vp this early in the game, but he compared donald trump to Hillary Clinton, calling him a washington insider. He thinks adding Carly Fiorina to pick them over the frontrunner. Today she seemed to echo that sentiment. Were both liberal. We know that. But Hillary Clinton, like so many politicians, Hillary Clinton has made her millions selling access and influence from inside the system. And donald trump has made his billions buying people like Hillary Clinton. Now fiorina is the former ceo of shes never held public office. Well see how this plays out next tuesday when voters in indiana head to the polls. Thank you. The family of the latest victim killed by an explodie ii takata air bag has filed a wrongful death lawsuit. Reporter the texas teenager died last month when the air bag inside her 2002 honda civic exploded in a minor crash. Today, her family remembered the 17yearold as they spoke alongside their attorney. The family has filed a wrongful death lawsuit against takata, american honda, and many others. I would also like them to take further steps to adjusthe their air bags. Reporter news4 reached out to honda today. The automaker is in contact with the drivers family in an effort to address their concerns. Hannas death is the fifth fatality in the United States blamed on faulty takata air bags. The teens car has been recalled, but never fixed. Honda says it mailed multiple recall notices to registered owners of that vehicle. The victims family insists they never received the notices. A state senator and an attorney will face off this fall for marylands eighth congressional seat after the states most expensive primary contest ever. On the democratic side, jamie raskin beat out david trone and kathleen matthews. Raskin is the state Senate Majority whip and a constitutional law professor who served as a town council president. Raskin and cox are running to replace Chris Van Hollen who won the democratic nomination for u. S. Senate. Another major congressional race will pit maryland former Lieutenant Governor against a developer. Anthony brown who had a successful bid for governor and an unsuccessful bid in the past election for governor secured the nomination for the Fourth District seat. He hes hoping to replace Donna Edwards for u. S. Senate. If youd like to dig a little deeper into last nights results, we have all of the vote totals from the big races in maryland in our nbc washington app. Simply search maryland primary. Announcer and now your storm team 4 forecast. That forecast a lot different from the weather we have seen over the past of weeks. We were in the 80s yesterday. 86 degrees. Right now were sitting in the 50s. A very nasty, dreary day across our region. Not a whole lot going on right now. Downtown still dealing with all of those clouds. 56 degrees. 30 degrees cooler, if not colder, then where we were yesterday. 53 in annapolis. The warmest area down toward fredericksburg. Right through the city of fredericksburg in about the next 10, 15 minutes. Heads up down there. Youll be dealing with a little bit of rain. Its all part of a storm system making its way through. This satellite picture really kind o a we have northeast flow here. We have sunshine towards new york. We have sunshine down to the south. And we have this air mass in the middle. Northeasterly winds bringing the clouds right off the ocean. Thats the cold air damming. It brings the cold air all the way down from new york and philadelphia all the way down towards our region. Ocean city only 51. Wheres the 86 from yesterday . It is all the way down towards raleigh. I do not see that warm air moving up anytime soon. What i do see moving up is our chances for showers. Youll need the umbrella to start off today. More showers. Some of them may be on the heavy side tomorrow. Now friday, more of the same. Waking up to some cloud cover and more scattered shower activity. This is kind of the scenario thats going to play out over cool with showers. 52 degrees tomorrow morning. More showers potentially in the afternoon, but most of us will be on the dry side in the afternoon. 57 degrees. Take a look at the next four days. You notice 58 here. 61, 63, and 63. Now the average High Temperature is up to 71, so were well below average. We will see some sunshine on saturday. That is the one day i expect to stay completely dry. Saturday looking pretty good. Sunday not looking all that good. 63 degrees. 50 chance of rain most likely during the afternoon. Well talk much more about in about 20 minutes. Its the oneyear anniversary of the riots in baltimore. Rage and flames flared in that city in the aftermath of freddie gray in police custody. We go back to baltimore to see whats changed. Plus, Howard University is making good on a promise tonight. Find o whyut some graduating Howard University students now have Something Else to look forward to. They are getting direct payment tuition rebates from the school. A year after announcing a plan to incentivize early or on time degree completion, howard is ng students have started getting 50 rebates on their final semesters tuition bills. The school says this Program Shows their commitment to college affordability. To the caps quest for the cup now. Game one in their series against the Pittsburgh Penguins more than a day away now. More on the new chapter in this rivalry between these two days. Its going to be good, carol. We are so excited. The headline its only the second headtohead matchup between o. V. And crosby. All the games in the series are scheduled during primetime slots for a reason. A spirited workout that lasted nearly an hour. Good to see the defenseman back for a second straight day. It doesnt take long for anyone, two teams meet up its pretty special. In the very first game, i had a couple of big hits. I got hit a couple of times. From then on, you just grow that respect off the ice, but hatred on the ice for the other team. Im fully on board with the rivalry. It should be fun. There should be a lot of emotion. It should be fun to watch. Should be interesting. This has been a rivalry for a long time. Sid and o. V. Has been going on for a while. It should be a lot of fun. Rehashing some heartache. Now there is some concern surrounding another caps defenseman. Who is up with carl missing practice for a second straight day . Thats coming up at 6 00. At the he presidency. Today former Republican House speaker Dennis Hastert learned his fate in a case linked to allegations that he sexually abused teen boys. After making a clean sweep in the primary races in five states, why donald trump came back to d. C. Could former Virginia GovernorBob Mcdonnells conviction soon be overturned . There was some indications of that in oral arguments here at the court today. Well hear directly fromhe t and were following breaking news here at the live desk. Weve learned a 13yearold boy was shot by a Baltimore Police officer. Now our affiliate in baltimore just learned from Police Commissioner kevin davis that the boy had a replica semiautomatic pistol. Davis says the boy ran when officers approached him and he didnt listen to their commands. He says the boy is expected to survive and that, quote, no officer in the city wants to shoot a 13yearold boy. The boys mother is also in custody. Officers say she knew that her son had the replica handgun. Back to you. Today marks exactly one following freddie grays death. Mayor Stephanie Rawlings blake called this a day of reconciliation, announcing a series of events to show progress made by the city. Gray died from spinal injuries he suffered in the back of a police van. Critics today using the hashtag reconcile this to express disapproval to the way the mayor handled the response to grays death. The mary heavens center was under construction when it was set fire. It reopened after a 15 million renovation. It has 60 affordable apartments for senior citizens, plus counseling and job training spaces. It is looking more and more likely tonight that former Virginia GovernorBob Mcdo