Another tragedy. Thanks for joining us this evening. Im erika gonzalez. Powerful words from the sheriff in louisiana today. And until we come together, as a nation, as a people, to heal as a people, if we dont do that and this madness continues, we will surely perish as a people. Investigators say it looks like a gunman ambushed officers and sheriffs deputies in baton rouge today. Three of the six shot are dead. One fighting for his life. President obama addressing the nation just a short time ago. He says attacks on police happening far too often and advanced no causes. As we head into the political conventions, he called on all americans to avoid divisive rhetoric. Five days ago i traveled to dallas for the for the officers that were slain there. I said that that killer wouldnt be the last person who tries to make us turn on each other, nor will todays killer. It remains up to us to make sure that they fail. That decision is all of ours. The decision to make sure that our best selves are reflected across america, not our worst. Thats up to us. The National Organization of black Law Enforcement executives condemning the shootings in baton rouge. The group is in d. C. To mark its 40th everyoanniversary. When the shooting happened, the meeting took a somber turn. One of the sheriffs deputies worked with the three officers killed today. The groups other leaders say they hope to bridge the gap between police and the black community. We chose its a calling for us. We recognize the community right now is not having a lot of faith in Law Enforcement. In particular instances. Were here to make sure were bridging the gap, bridging the gulf between Law Enforcement and the community. This is not about black and white. Its about human rights. It has no kinship to our civil rights struggle. So weve now been in contact with Law Enforcement across our region to see how theyre responding to the events in baton rouge. D. C. Police are following the same procedures that they implemented after the officers were killed in dallas. D. C. Police officers are working in pairs. Montgomery county police tell us they are monitoring the situation in baton rouge. Prince William County police and Prince Georges County police say nothing has changed at the time. Maryland governor larry hogan says in a statement, quote, attacks on the Law Enforcement family make every single one of us less safe, unquote. People are stopping at the Law Enforcement memorial today. People have left flowers, candles, american flags dedicated to the Fallen Dallas Police officers. And now those in baton rouge. Stay with news 4 and the nbc washington app for continuing coverage of the events in baton rouge. Well send you an alert on any developments and to see more video from that scene, open the app and search baton rouge. It is the eve of the Republican National convention. A new nbc news poll shows us where the president ial race stands right now. And developing tonight, a gunman Holding Hostages at a baltimore fast food restaurant. And continuing coverage of our top story, three Police Officers killed in baton rouge. Stay with us. Know youre budgeted for the expected, and the unexpected. Know that at least the process of buying a new home can be clear and simple. Know your investments can make retirement closer than you think know. The one word behind all the guidance we provide, tools we create, and services we offer. Because when you have insight, you know. At this hour tonight, we are working to learn the name of the person struck and killed by a Police Cruiser in langley park, on the very busy stretch of university boulevard near riggs road. Were told the pedestrian was not in a crosswalk. The Prince Georges County officer jumped out of his cruiser and immediately rendered aid. News 4s derrick ward has the story. Reporter this strip of university boulevard is busy 24 hours a day. Experience tells people crossing on foot to use the crosswalk. I go there. Reporter as you can see, lots of people cross here and not in the crosswalk. Its dangerous in the daytime. Just imagine at night. Police say at around 2 00 a. M. , a pedestrian was hit crossing in the 2000 block of university boulevard outside the crosswalk. That person was hit by a police georges county Police Cruiser and pronounced dead at the scene. We saw Surveillance Video from a nearby business that shows the victim narrowly avoided by one vehicle, then into the path of the cruiser. The officer was responding to a routine call. That would have meant to flashing lights or sirens. The incident is being investigated. Yet another cautionary tale with a fatality and a warning for those who try to save some time three officers are dead in baton rouge, louisiana after an apparent ambush by a gunman. Nbcs jay gray has an update on the investigation that weve been following. Reporter this cellphone video captures the horror as it unfolds in baton rouge. Two Police Officers and a sheriffs deputy killed. Three injured and one in critical condition. Shots fired officer down reporter investigators now say the lone shooter was shot and killed. Nbc news has confirmed the suspect killed at the scene was gavin long from kansas city, missouri. We believe the person that shot and killed our officers, that hes a person that was shot and killed at the scene. Reporter still investigators want to know if others were involved in whats been described as an ambush. An attack on one of us is an attack on all of us. And the people who carried out this act, the individuals, they do not represent the people of baton rouge or the state of louisiana or whats best about our country. Reporter it began with a 911 call sunday morning, telling dispatchers an armed man dressed in black was walking down airline highway, a major thoroughfare in the city. We haveal here, atf, federal government, state, baton rouge city, sheriffs department. We have all our guys working. Reporter that investigation continues, as for the second time in two weeks, a city and nation mourns the loss of those who wear a badge. Its unjustified. Its unjustifiable. The violence, the hatred just has to stop. These men, risking their lives to protect and serve, this community, were taken out the way that they were, they are real life, everyday hero. Reporter jay gray, nbc news, baton rouge. A number of intense moments in our news cycle today. Were tracking developments out of baltimore, the hourslong hostage standoff at a burger king just ended in the last hour. Police s. W. A. T. Team negotiators were able to coax the armed gunman out of the restaurant and all of the hostages, including a and accounted for. This all began just before noon after Police Spotted a rape suspect who then rein into the restaurant, taking hostages. The man is a suspect in a rape that happened in the past 24 to 48 hours. Part of a busy road in Montgomery County shut down as Police Investigate a deadly crash involving a cyclist. A car hit the cyclist around 1 30 on veirs mill road and Turkey Branch parkway in aspen hill. Another person was hurt but was h survived. Windy lanes are open. The cause of the crash is now under investigation. Announcer and now your storm team 4 forecast. Our high today was 94 degrees and plenty more 90s in the forecast this week. In fact the only aday where we wont hit 90 or higher looks to be on wednesday. Some scattered thunderstorms are possible tomorrow gorgeous weather on wednesday. We get a break from the heat and the humidity as well. After that, though, turning very hot. Especially friday and next weekend, wait until you see the numbers on the tenday. No widespread rain chances in the forecast. A very summer likepattern conditions with only some hit and miss chances for some showers and thunderstorms. Tomorrow, the weather having a moderate impact on your day, mainly because of the heat and humidity. It will be the 16th day this year when we hit 90 degrees or higher. Its muggy as well. It will feel a few degrees warmer. And some scattered late day thunderstorms are possible. I am the to show you that with future weather. Notice at 5 00 p. M. The area still mainly dry with a mixture of clouds and sun. As we work our way into the 6 00 hour, we start to notice some scattered thunderstorms. Notice some brighter colors on future weather. Thats the potential for some very heavy rainfall. We could also see gusty winds, maybe one or two strong to severe thunderstorms impacting the area tomorrow during the early evening materialize, thanks in part to the heat and humidity, and also a cold front nearby. As we move on into the overnight hours, we dry out with skies becoming mainly clear. Well start off our monday at 75 degrees. Around 70 in the suburbs. So not bad. Its warm, a little little bit humid. Well have plenty of sunshine. You need those sunglasses heading into work. If you want your lunch outdoors tomorrow, its going to be hot by noon, already around 91 degrees. 4 00, well hit our High Temperature of 97. Typically our high now about 89. So were well above average tomorrow. Scattered thunderstorms are possible, 8 00 the temperature around 87 degrees. The pool outlook for the next few days, tomorrow and tuesday, cant rule out a thunderstorm. If you have plans to head to the pool, i would still go. You can have the nbc washington app check the radar to see if thunderstorms are moving in, the risk pretty low, 40 tomorrow, 30 on wednesday, perfect pool day, gorgeous, not too hot. Plenty of sunshine on thursday. It might be a good idea to head to the pool, it is hot once again. Currently, temperatures coming in generally in the low 90s. 91 in washington, 90 in gatorsberg. 90 in frederick. Were mainly clear, dry overt e overnight tomorrow. The next ten days, a high tomorrow of 97 degrees with scattered showers and thunderstorms possible, about 40 . Tuesday, a high of 94. Again, the chance for some showers and storms. Best chance on tuesday looks to be south and east of washington. Wednesday, i cant say it enough, its going to be amazing. A little break from the humidity and heat, plenty of sun. Upper 80s for highs. Thursday, were in the mid90s. Friday, saturday, and sun, High Temperatures near 100 degrees, and also very humid, erikerika. Right now, republican delegates arriving in cleveland for their convention that begins tomorr in baton rouge, there are calls to suspend the states open carry law. Nbcs Steve Handelsman in cleveland. Reporter most republicans arriving in cleveland for the rnc are upbeat. Im on the trump train. Im ready to go. Reporter suzanne from texas and sam want everyone saying that by thursday. One thing we would like to project a unified party coming out of this. Reporter do you have one to project . We will. Reporter as the rnc was set up, stop trump forces lost their fight to allow votes against trump by delegates like bob schneider. I dont necessarily think hes the best man for the job. Reporter trump mocked his challengers. Never trump, never trump. They got crushed. Reporter trump trails Hillary Clinton by 5 in todays nbc news wall street journal poll. Shes the second most unpopular candidate ever polled negative. He is the most unpopular, 60 negative. Hes popular enough that hes the gop nominee. Reporter in the wake of the Police Murders in louisiana, trump posted, how many Law Enforcement and people have to die because of a lack of leadership in our country. We demand law and order. Police say the miles of barriers now up in cleveland are tough enough to stop a terrorist truck attack like the one in nice. But theyre nervous. Anticipation. Anxiety. All the things that come with a big event like this. Reporter thousands are coming to cleveland with the whole world watching. Convention planners hope that demonstrations outside and any protests in here will not spoil the image of trumps strength and party unity that they hope to project. Im Steve Handelsman, nbc news at the rnc in cleveland. Still ahead, Daniel Murphy comes through in a pinch and sets up a marathon against the bucs. Oh, my gosh, this is the type of game you wish was a little bit more cloudy and not its a marathon. It always seems to be a kids run the bases day. Those kids have been waiting for hours to get out and run the bases. The nats will keep going. Its the worst possible scenario. They had a 71minute delay last night. Then they had the quick turnaround. It was a recipe for disaster but it turned out to be downright fun, two straight wins out of the allstar break. Today, the nats looked like a team that couldnt catch a break early. A brutal turnaround, as we said. Sweltering afternoon sun. All star Daniel Murphy having to miss his Third Straight game. Sounds like three strikes youre out. Its not, not until the team fights until the last second. Happy fans at nats park rocking the buffalo horn. Top three, man on. Sherzer gets a swing to end the inning, top six for score hills. Scherzer still on the marquee will rip this one down to left. That brings in a run easy. Rbi double, pirates up 10. Bottom nine, nats down to the last out. Daniel murphy admits the three straight games. But no, look at him with one strike before the game ended. He comes through. Murphy with a pinchhit home run. His 18th homer of the season, this one huge. Ties the game at 1. Gets him a curtain call. Ahead to extras. Ahead, buffalo looking like hes going to end this thing right here. Adam fraser makes a leaping catch to rob ramos. This one is still tied at 1. In the, guys, get this, 16th inning. Orioles visiting the rays, dylan bundy making his first Career Major League start. 30 badder for tampa, Evan Longoria crushes the ball to left. It is longoria, even the game at 1. Man on for oswald dough arcia, carries and just gets over the fence, 2run shot, rays take a 3run lead. For bundy, through 3 1 3 innings, os with two runs in the eighth. Long gore i cant not getting the birds get back with it. This home run to center, a tworun shot for longoria. Rays beat the birds 52. Even if you dont follow golf, youve probably heard about the 63 that Johnny Miller shot in 1973 to win the u. S. Open at oakmont. No one has shot such a low score to win a golf major since, until today. Phil mickelson was hoping today would bring him good fortune on the final day. Started atop he said he wasnt going to go anywhere. Second shot on 4, 145 yards away. This will do, inches from the pin. He would tap in for birdie. Only problem for lefty, henrik stenson. Birdie on 14 year. He makes it, drops it right in the cup. Stenson was a birdie machine. On the 15th hole, you know the putt is good when you decide to walk in with it. Henrik stenson, that one gives him a twostroke lead over mickelson. Mickelson not out of it, though. He wasnt playing badly. Playing here for eagle, ooh earlier in the week, he said he might be cursed. He might be right, carded at 65 today. Stenson on 18, closing it out, birdie after birdie. Four out of five birdies, including that final hole. He shoots a 20under par round of 63, ties Johnny Millers record, yes. And this is his first major. This one to a late friend. I lost a dear friend on wednesday morning back in the states, a battle against cancer for a few years. I feel like hes been with me all week. Hes a key golfer. Mike, this ones for you. You can see thats why he wasnt celebrating too much. He had lost a friend earlier this week and he said his thoughts were with him the entire time. Thank you, we appreciate that. There was some music, some dancing, and celebrations going on at the National Museum of the American Indian today, the seventh annual living earth festival. This years theme is agricultural practices and the importance of native americans foods in our culture. The festival included a cooking symposium and artist demonstrations as well. A hot day for this, so nice for folks to be able to do something where they can get indoors. Yes. And this entire week, very hot, its midjuly. Its to be expected, right . Yes. Plenty of heat in the forecast. There you see our exclusive tenday forecast. 97 tomorrow, 94 on tuesday. Wednesday, a bit of a break. And then were near 100 degrees. We might even hit 100 degrees next weekend. Some scattered thunderstorms possible later in the day tomorrow. This 89 will feel so cool. I know. That wednesday is looking real good. All right. Thanks. Thats the news for now. Nightly news is coming up next. Well sigh again for news 4 at 11 00. Good night, everybody