A new excessive heat warning, the advisory leading to a team 4 weather alert. Just a few minutes ago, people on the National Mall around our region and across the country and around the world celebrating the precise moment 50 years ago man first set foot on the moon. We cannot wait for another child to fa victim to senseless gun violence. D. C. Mayor bowser delivering a message to t community after announcing the arrest in an 11yearolds murder. Good evening, im erika gonzalez. Breaking news thisevening, Police Telling us they caught thd man who shot ankilled koran brown at a gas station in southeast d. C. Thursday night. News4s amy cho jo fns usom outside d. C. Police headquarters with new information in this case. Aimee . Reporter hi, we just learned a short time ago the manhunt for the alleged killer of an 11yearold boy has now finally come to an end. D. C. Police say tonight they arrested 29yearold tony antwoa mccm from southeast d. C. Ay police s he allegedly fired shots into the car that 11yearold brkaron n was sitting in. Now this is a surveillance photo that poli say shows mcclam around the time of the shooting. He is charged with secondegree murder while armed. Police say they are trying to figure out why he would shoot an 11yearold boy. Koran brown had just finished fifth grade at stanton elementary. His mother says he was funny, v log, and kind. On thursday night, karon was affidavit a gas stion at a gas station and he and adults got into a fight, and gunshots started ringing out. The little boy made it into a ar c. Thats when mcclam allegedly started firing shots into the carhind him. The 11yearold later died at the hospital. Its not clear if he was the intended target. Tonight mayor Muriel Bowser and the police chief held a press conference to announce the arrest. They called the murder completely senseless. There is absolutely no reason in the world why we should be burying an 11yearold boy because some adult felt like it was okayto discharge a fireman. Reporter d. C. Police say tips from the community played a big part in helping them make this arrest. They say they are still investigating the shooting and hope more people will come forward wit information. Aimee cho, live outside d. C. Police headquarters, thank nu. Arrests yet in the murder of afather and son in the district. A relative discovering the bodies yesterday at their home on queen street in northeast d. C. Hugh washington and his 17yearold son both shot in the head. The teen was a senior at dunbar high school. Police say there was no forced entry ando weapon found at the scene. Lets dig a litt deeper into the string of violence on d. C. Streets in recent days. Six peopler shot and killed in the dtrict over 60hour stretch. That goes between wednesday afternoon and early this that includes shootings on 2nd street in southeast, naylor roat southeasqueen street northeast, u street in northwest, and 30th street southeast. The youngest victim was 11yearold karon brown. The fifth grader gunn down thursday night. Our other big story this evening is the dangerous heat. G puttff in weather alert mode another excessive heat warning in effect. We have more now. We know how saturday wena wht does this mean for sunday . Well, if you thought today was hot, it was,and tomorrows going to be just as hot. I mean, i think sundays going to definitely match your saturday. Its crazy. Earlier, i was tracking storms we had in the area. Thats out ohere. Were shifting gears back to the heat. Lets talk about it. It is what time is it . 11 05 and 88 degrees out there at night. It is warm in the distric 82 in manassas. 79 in leesburg. 82 in gaithersburg. So this excessive heat warni for the entire region goes into effect at 11 00 a. M. Tomorrow morning and sticks around until ev9 00 p. M. Tomorrow ning. What that means is its going to feel like 110 even though temperaturs are probably in the upper 90s. Now overnight, we are going to be in the 80s. The isolated storm threat really dwindling at this point. I think were pretty dry. Then were humid. Stick around. To have Storm Chances for your sunday i need talk about. Well see you then. Something to keep in mind tonight as most of us are in the a. C. Relaxing, others have to work outside in order toke us safe. Several firefighters suffering heat exhaustion today in southwest d. C. Several other firefighters and residents dto be evacuated. The firefighters were trying to put out a fire at an apartment on i street, and smoke could be seen coming from several floors of the building. Firefightersvaad to ecuate the residents there. No word yet on what caused the fire. And even with this knheat, a lot of you spent the day outside in arlington, for t. Stance, at a Regional Youth baseball tourname coaches had some cooling off breaks built in as paren were focusing on any signs of heatstroke, keeping an eye on the kids. One person that was not so h concerned, t man right here. Ron carson. We spotted him wh a full suit, black suit. So thejt ron carson sheer that he spent many years work flooding heartbt, or headache. Keep an eye out for those. Ti as menoned we are not in the clear just yet. Should you feel Something Like that, call 911. And stay with news4 and our nbc washington app for continuing coverage for ideas on how to stay cool during this scorching hot weather. Just open our nbc washington app and search extreme heat. 50 years ago tonight, one mall step changed history forever. Find out how people are ng rememberi the apollo 11 moon landing. And explosive Surveillance Video shows the exact moment a blast rocked a california home, killing a utirkty wor. What crews were doing when the were the slowskys. We like drip coffee, layovers anwaiting on hold. What we dont like is relying on fancy technology for help. Snail mail we were invited to a y2k party. t uh, didn that happen, like, 20 years ago . Oh, look, karolyn, weve got a mathematician on our hands check it out now you can schedule a callback or reschedule an appointment, even on nights and weekends. Todays xfinity service. Simple. Easy. Awesome. Id rather not. Only 1 billionth of 1 is filtered naturally. And emerges crisp and refreshing enough to be called deer park 100 Natural Spring water. Born better® a doorbell cam capturing an explosion that leveled t house next door in california. Watch this. The blast sent debris flying all over the place. E this sc unfolding monday. A utility worker died in this. Investigators say utility crews were repairing a ruptured gasli right before this explosion. About 15 other people were hurt. The gas company says the contractor did not call toark the gas line before digging which is required by law. Anotheray of protests in puerto rico. Anging pots and pans, protesters rallying outside the embattled puerto rican overnors residence today. They are angry over governor ricardo rossellos economic policies, alleged government corruption, and an ongoing scandal over leaked messages between rossello and some of his close officials. The messages allegedly contained homophobic and derogatory comments. Ologized for has a those comments but refuses to resignrs dond nurses are trying to save a womans life after a car hit her in Montgomery County this morning. The woman was attempting to cross tuckerman lane at kings riding way when the driver of the Chevrolet Spark slammed into her. The victims shoe, you can see a water bottle there on the scene. The driveras not injured in this. The victim were told has ni lifethreateng injuries. Were working to figure out what may have caused the driver to have this accident in the first place. Maryland governor larry hogan is proposing several ways to save maryland drivers money on the tolls. The Baltimore Sun reporting his proposal is not an acrosstheboard cut in tolls that the governor pushed three in 2015. One proposal would cut toll rates for motorcycles and s. Hicles towing one axle and twoaxle trailer the governor hopes to generate up to 28 million over ive years. He says the proposal would save drivers more than 5. 5 million each year. All right. We continue following one of our big stories tonight. Somara is standing by with an update on the extreme heat. And one small step 50 years latet he country comes together to honor a moment that we will never forget. I want tohow you a live look at the washington monument. Storms have cleared. Isnt that a pretty picture . 50 years ago tonight, more than half a billion people around the world tunedn to watch the first person walk on the moon. Tonight people on the National Mall are watching the saturn 5 projection on the washington monument. He rocket that carried the astronau into space. Nbcs Chris Pollone looks back a half century. Reporter exactly 50 years after he walked on the moon with neil armstrong, buzz aldrin joined Vice President mike pence at the spot where it all started. The launchpad where he, armstrong, and michael collinsf ded the odds and did something that at the time only existed in our dreams. Thats one small step for man, one giant leap for mankind. Reporter to mark the occasion, the Vice President looked back. An left indelible mark, not just on my imagination but on the imaginatis of my generation and every generation come. Reporter it took nearly a decade and 400,000 people to get to that moment. They essentially iented space travel and changed the course of history. Apollo 11 is the only event in the 20th century that stands a chance of being widely remembered in the 30th century. 1,000 years from now july 20th, 1969, will likely be a day that will live in the minds and imaginations of men and women as long as there are men and women to remember it. Reporter American Space exploration is at a crossroads. Private companies are partnering with nasa to make the next giant lean forward. D the moon will once again play a role. The last american walked on the moon in 1972, but the technological impact on our lives has been immense ever since. 50 years ago, the whole world watched as three american men gave us a glimpse into the future. Ch ris pollone, nbc news. We put together elements of he 50th anniversary landin ancluding slow, pictures, and video, pictures, d stories of the historic day. Just puppll uthe nbc washington app and search lunar footsteps to read more. Okay. Each year nbcs clear the c sheltersampaign helps animal shelters and rescue groups fd new homes for pets. This year our own pat collins is helping out with the prized pets challenge. So pat, with the help of some interns, kicked off the contest monday. Heres what were asking. Asking all of our nbc 4 viewers to show off your Furry Friends doing their best trick. The winner gets a one of a kd pats prized pet bowl. Youve got until tomorrow to send us your pics. Justost your best pet trick to facebook, twitter, or instagram, and tag us, of course, so that we can see it nbcwashington, and use the hash tag patsprizedpets. There you go. Stay hydrated. Yes, you want to have fluffy and fido doing all their tricks inside on the carpet because the pavement is scorching hot today. Incredible the feelslike temperature someplace got up to 118 today. That was quantico, virginia. W. That i mind blowing. I know. Weve got to call and check on our friends in quantico. Aantico, how you doing . Its going to crazy one tomorrow, too, girlfriend. Ere talking showers and thunderstorms ie evening. But the excessive heat is still the main headline. Lets get to the current temperatures. Its 11 19 at night, and we finally left the 90s. I cant believe im saying that. I mean, inow summer comes every year, guys, but this is crazy. 88 now in the district. 82 in manassas. 79 in leesburg. And 84 in frederick. Just a really hoty. Current heat index, still in the 90s. Thats what really matters. 93 is what it feels like in quantico. 80 cant catch a break down there. 85 is what itineels like manassas. Feeling like 90s in frederick. How hot did we get . Washington, d. C. , we hit a high of 97 degrees. Our friends to the south, they det closer to 100, toward ocean city, 99 ees that way. This heat is all the way up into the new york tristate area. So all of us feeling this heat. M torow, i think weve got a good shot at hitting 98, 99. Ive gone with a high around 99 degrees. Dangerous heat for your sunday. We do have a chance at some showers and thunderstorms again. Similar to what we saw this evening. More isolated, but we could see some storms popping, where they do they coul strong to severe. What about brunch . I should be fine around brunch, right . No, 93 degrees at 11 00 a. M. Hello, breakfast outdoors, fine. But brunch i think its going to be too hot personally to be outside eveny brunchtime. That means any Outdoor Activities for tomorrow afternoon, you might want to just reschedule ythem, limitr time outdoors. Its just going to be a no go. Now, sunday, tomorrow, 8 00 p. M. , im pushing forward in time to show what p thisture looks like. Doesnt look like a lots going on. This is what it look ed like earlier and heard the storms pop. Thats what i want you to keep in mind. After 6 00 p. M. To 9 p. M. , we could see showers and thunderstorms pop throughout the region. By monday, thats when the storms become more widespread. Weve got a front coming through. We are going to be so happy when this front passes through afterm the sto it brings. Theres some cooler air on the back end of it. Ill show you that on the ten day. Again, this line of showers and storms is going to move through monday afternoon. A few ways beat the heat stayhy ated. Avoid long hours outdoors. Wear light colors and loosefitted clothes. Never, never under any circumstances leave a child or a pet in acar. Ten minutes at 96 degrees tside, that car feels like 114 on the inside, okay. Res a look at your storm team 4 tenday outlook. Tdangerous heat through top of the weekend. Things cool down by tuesday. We just have to goat tuesday. One more thing get to tuesday. One more thing to mention, the numberone weatherrelated killer in the United States of america is heat. Ta import to keep in mind. Thank you so much. The nationals tried to tlanta a heartbreaker in tonight. It was a thriller that could impact their the nationals trying to make i up some groundthe n. L. East against the first place braves. Trailing atlanta by 6. 5 es they got to bounce back from a stugh night when they trailed all game la night. Got down to the lastout, then the tworun shot was snapped to tie the game only to watch the braves come back and walk off in the bottom of the ninth. That was brutal. Game tee of a fourgame set in hotlanta, hotd. C. Over here. Sanchez on the hill for the nats. Fred freeman gets the best of this one. En anthony revenuedone and juan soto hit backtoback rbi singles. Both went two for four with a rbi each. To the sixth. A 41 game. The tworun shot and that cuts the 3d one. Sanchez went five innings, gave up three runs. In the ninth,nats pack some insurance. Adam eaton singles to left. That scores trey turner. Nd ahe nats pull off this win 53. They also pull within 5. 5 games of the braves. Theyve got atwogame lead. A good baseball day. Got some big outs when we needed it. Got the hits, we came out on top. Reporter you brought up you got the hits you needed. In the fifth, five straight hits. What adjustments were made . I think keep battling. I think weve only got it once time so far. The mor times you see guys, you know, i think that helps the hitter. We just strung some good bats together and put someupruns against them. Ter thats the hottest team in baseball since may 24th. The orioles not so much. Working on a twoga winning streak against the red sox. They shelledston 112 last night. But boston got revenge. Vasquez singled. In the third, chris davis rips one to center for the rbi knock. Tied at five at thatoint in the fourth. The sox blow this one open. Jackie bradley jr. , threerun bomb to right. Hne of fiveme runs for the red sox in this one. They win 176. The series finishes off tomorrow at 1 00 p. M. Well,cic temperatures couldnt stop fans from welcoming d. C. s home teamor cup heroes back. U. S. Womens National Team players rose lavelle and mallory pugh returned to the washington spirit earlier tonight. Get this, theyre just two of six spirit players who laced em up at the world cup. Spirit taking on theouston dash, right. Lavelle did not play as she recovers from a hamstring injury suffered in the semifinals against norway. Firshalf, both teams kind of dancing around the middle of the pitch. Volcanic temps will do that. So the spirit only ad four shots. The dash had six. But then all the sudden, everybodys finding the back of the net. A fantastic equal washington would go on to win this one 30. The spirit in good shape, and a great crowd to see them and welcome back our world cup heroes. Very cool. Very cool. We are sisters. And we just moved in together. Why alissa and aleah chose fios. We stream so much. A lot of times alissa is watching tv on her laptop using her phone, also using her tabletmultitasking cause im esome. A little. Get the internet your family needs at a price youll love. Plus, the first month of youtube tv on us when you switch now. Only on fios. [ nbc theme plays ] [ cheers and applause ] good evening, everyone. Im tucker carlson. M ike if those shorts with the little whales on them came to life. Our top story tonight ro president trumps he end to the shutdown. It did take him 35 days, but he s finally able to get no wall. A meanwhile,the democrats stall, t crisis at our border rages on. It here wh her take is the host of justice with jge jeanine, jeanine pirro. Jeanin how are you . A lot. Now, jeanine, im going to smugly ask a question that i already know the answer to, and, a warning to our viewers, my voice will get very high. Th these democrats, do want ms13 invading their towns and tieing up their hands and feet with duct tape . Sadly, the answer to that question is si, senor. At this point, ms13 is getting so brazen, theyre promoting their own holiday in america. Its called sicario day of the soldado. Wow, so, what is th