Ults. Youll be noticing that diminishing air quality with high ozone levels with t surface, saturday with an excessive heat watch. Ill have the difference between a watch, a warning and advisory and how hot it feels throughout the day and nighttime hours coming up in my full forecast. All right, amelia, thank you. Now to the gunshots fired at a gas station in southeast washington last night. One boy ran in one direc and his older brother ran the opposite way. That younger brother couldnt ahesc t wa gunned down. He died. We have Team Coverage of this tragic story for you this eving beginning withnews 4s derrick ward. Derrick, you spoke with kas is, you know, and its still starting to resonate with shes still figuring out what happened. Its unmge nabiimaginable what going through. The program that she was enrolled in here at stanton school, taught him patience and on the other side of the school he ran into somebody who probably hadnt learned those lessons of patience, c and itt poor karon his life. Karon browns mother doesnt i want herntity shown but she wants people to know what her son was like. Funny, ving, very outgoing. Ve he lo babe is. Reporter karon and his brother hadnt ventured far from home when they found them selves in the midst of deadly gunfire. He ran one way and karon the other way. Reporter it started with an station. At the gas karon wasnt among those arguing. Ot its a lf emotional infighting thats happening. Sieberg with sons the alliance of concerned men. T they set outo quell the kind of violence thats alleged to have claimed another bystander, karon brown. His group has been working with American University for the past two years creating and perfecting the conflict resolution manual. Theres Different Things out here that triggered people because they are dealing with trauma. Reporter whatever the trauma may be, rosenberg says, its about dealing with it internally before it let lose with the deadly results like the death of an innocent child. We believe that the child has changed. Reporter it hasnt changed soon enough, another young child caught in the crossfire. If youre going to aim right, aim at the person youre aiming for. Why would you hit a child . He took a lot away from us. Reporter now fortunately carons mother has family and ven some folks in the city have stopped by to make sure that he can deal with this. Ismean, there no way you can save someone from the pain, but you can at least help them through that process that they a e to go through after tragedy like this. Were live in southeast, derrick ward, news 4. All right. Thats so sad, so sad. Thank you, k. Derric our Team Coverage of this tragic case continues now with news 4s mark segraves. Hes live at the gas station where the shooting happened last night with a look at where this investigation stands. Mark . Yeah, good evening. Let me give you a look at whats going on right here now. Just in the past 15 minutes, about two dozen people, mostly young people,riends and family f karon brown, just showed up for an impromptu prayer circle and vigil at the gas station where their friend was gunned down and new of whats happening now, mayor murial bowser announced they had doubled the r information leadin to awards. The reward stands at 50,000 for anyone ao might h information leading to an arrest of suspects involved in this murder here, but, again, police stillare looking for answerses a to why this 11yearold boy was killed. Another night of gun fire in the district. Another innocentchild killed. This time the victim, 11yearold karon brown. According to police the young boy was at this gas station on naylor road around 7 00 last night when several people got into an argument and gfire erupted. At some point 11yearold made it into a car athe gas station. Last night the police say thats when he was shot. From what weve seen so far, we believe that the individuals specifically shot into this vehicle. Police have not provided any information on a possible motive, but they are looking for suspects, including this man pictured here without a shirt who they believe is the shootery today Muriel Bowser repeated her plea for the public to help, is and sheex nded her sympathy to the community. I will talk to his family today. What could possibly make any sense, when you have an adult brazenly with no regard for human life or childhood. This most recent killing brings the number of murders in d. C. To 88 so f this year, an increase from the same time last year, and there have been 365 assaul with a gun in the district this year, also an increase. Many of those shot innocent victims under the age of 18, a 1yearold was shot at a bus op and a 15yearold Maurice Scott was kled just steps from his school. All of the violence comes about a year after makiyah wilson, another 10yearold girl, was shot and killed in front of her home. We have too many guns and too many people willing to use them. Now this intersection right alabama or road and avenue has a very violent history. You may recall back in 2015 this is the exact spot where a young girl was gunned down waiting for a bus at thisct intersen. We asked d. C. Police if they know a motive or the target. We even asked if its possible. E 11yearold was in fact the target himself. Its too early in the investigation to have any of those details. L reen, back to you. Aright. Mark segraves, thank you, mark. New at 6 00, weve got our first look at the suspects involved t a shooting a the shaw metro station this afternoon. People ay the two involved were on the metro platform at the shaw station. They gotz into an argument and thats when shots were fired. They are looking for these twoho men w ran out on to eighth street. Right now as police investigate. The seventh a f street metroens trance is closed. The man who was hurt is expected to be okay. Im Erika Gonzalez following breaking news from the live desk, anranian news agency is now reporting that a second oil tanker seized by iran has been a reld. The sars News Agency Says the vessel has left iranian water. The agency says the librarianflagged ship was briefly detained in th strait of hormuz. The iranians gave it a notice to comply with environmental regulations. Were still waiting to hear about a second vessel seized by iran in the strait. That one has a british iran says the ship violated international rules. Britains foreign secretary says hes working on getting the develops and itcrew released. Todays suesures are just the very latest escalation of tensions between iran and the twest. From live desk, Erika Gonzalez. Leon. Thank you. Those tensions with iran beingc rated up but thats almost overshadowed by the feud between the president and minnesota congresswoman ilhaar omar. After saying he didnt like the send her back chant at the rally the other day today President Trump changed his tune andu ed down on his attacks against omar. A look at day five of this controversy. Craig . Reporter right, n. President trump renewing his attack and spinning his stance on the send her back chant. President trump changing his tune about the supporters chanting send her back at the Campaign Rally this week. Those are incredi e people and incredible patriots. Reporter just yesterdaynthe presideried to distance himself from those chants. I was noty hapith it, i disagree with it. Reporter that moment. Send ha b send her back reporter aimed at Representative Ilhan Omar who fled somalia as a child. Welcome me, ilhan reporter a very different chant for the congresswoman arriving home in minneapolis last night. When i said i was the president s worst nightmare, well, youre watching it now because his nightmare is seeing a somali immigrant refugee rise to Congress Reporter the president today. Im unhappy when a congresswoman says im going to be the idprests nightmare. Hes going tonight president s nightmare. Shes lucky to be where she t, leme tell you, and and the things that she has said are a disgrace to our country. Reporter tat feud resonng with people in different ways. I just think shes terribly brave and courageous. I reporter f they hate it here so much, go somewhere else. What started with a single tweet by the president now growing into a new front line in e battle for the whiteso house. Me republicans have indicatedly prihey are uncomfortable with the tweets and the chant while democrats are publ ly united and condemning the presiden asttacks. Doreen, back to you. All right. Craig boswell reporting, thank you, craig. Just in the last two hours, er First Lady Michelle Obama appeared to weigh in on the president s comments and the chant at his rally this week. She posted this tweet saying whatuly makes our country great is its diversity. Ive seen that beauty in many ways over the years. Whether we are born here or seek refuge here, theres a place foa usl. We must remember its not my america or your america, its our america. A d. C. Council member is pushing back against reports that his cousin could benefit from d. C. s recent sports gambling contract. The Washington Post obtained a ocument which shows kenyan mcduffies cousin keith is a listed a subcontractor. Its reported that the Potomac Supply company could get 3 million for providing products. Mcduffie said this in part. A le there was apparent single document that all parties involved have stated was produced in error, there are officialh documents wh clearly establish that Okera Stewart owns the company. I was in no wayen influd to cast a vote on the Sports Gaming contract in a m what i believed to be in the best interests of the district y columbia andies residents. 50rs ago man watched the first steps on the moon. As we prepare for more celebrations here this weekend, a look at the impact apollo 11 still has a half century later. Also cometrp, e heat on aets hdug ur ben conditioner. How to stay cool without overworking the system. And right now its still feeling like triple digitsut there. S 105 is the heat index. Its still feeling around 100 degrees. Even at 11 00 tonight, itsel still g about 95 degrees out there. So little relief moves in overnight tonight, and it feels overnight tonight, and it feels hotter tomorrow. I switched from dodge. We switched from ford. I switched from ram. I switched to chevy. We switched to chevy. For dependability. For technology. For the muscle. And just look at it. Bye, bye, ford. We switched to chevy. And i couldnt be happier. See for yo sself why people arewitching at the chevy allstar open house. Or add another chevy to your driveway. Current gm owners can get over 5,100 below msrp on this equinox. Find new roads at your local chevy dealer. 50 years ago, the work of more than 400,000 people the course of history when two men set foot on the moon. Thats right, and this weekend washington is home to o onethe biggest celebrations of apollo 11s 50th anniversary Nbcs Jay Gray reports from the Smithsonian National air and space museum. Thats one small step for man, one giant ap for mankind. 50 years later, those words still echo across time and space. Neil armstrong and later buzz aldrin walking along the surface of the moon and into history. Buzz is erecting the solar wind experiment now. Reporter theyspent two and a half hours gathering samples and planting the American Flag and llow crew member michaelol cns piloting the command module circled above what he called. The magnificent spear, magnificent. Reporter but it was looking back through the window of the spacecraft that left a lastingp imession during this historic journey. The whole show was the earth, tiny little earth. Its projected to me as a feeling of fragility. I could not explain it at the time, and i cant explain it rea reporter a feeling shared by Neil Armstrong who said i put up my thumb and shut one eye andy thumb blotted out the planet earth. I didnt feel like a giant. Lt i fe very, very small. Of lift but the advances incimedine, science and everyday life as a result of the mission have been giant. Our iphones, our laptops can trace their heritage right back to the work thaton was on apollo. It had a huge impact right here back on eart an impact that lingers half a century after this his flight. Jay gray, nbc news, washington. Weve got information about all the anniversary events happening on the National Mall tonight and tomorrow in our nbc washington app so check it out there. Coming up at 6 45 here, awni yang going to share with us some of the food items that became popular after being up in space. We hope you have your air conditioner cranked up which means the electric meter is churning. Big time and the electric grid is working overtime to keep working. Ngs chris gordon live in Montgomery County with tips to stay cool and save money. Hey, chris. High, leon and door even. Pepco crews are on high alert. The extreme heat this week has caused our Energy Consumption to spike 13 as compared t to daily average at this time of year. Come on inside. I have some energysaving tips and money saving tips for you to keep your house cool. Pepco says make sure your blinds are down so direct sunlight doesnt come in. As far as lamps, you should be unplugging them and any charging devices as well. And a lot of people ask, well, howhould iet my thermostat . Pepco says set it at 78 degrees. Pepco is prepared tohe face t heat. Here at the benning surface center they have repair trucks on the ready. This is their storm room, staffed with a tm monitoring the weather. Pepco prepares year round. To avoid a blkout like the one in new york city last weekend. When we have a lot of consumption of electricity, we want to experience those Power Outages that we obviously want to avoid, because when there are outages, our customers are, you know, in some cases, they are without medical equipment, and o we want just try to avoid avl that h Carmelita Edwards of northeast washington says this heat wave is dangerous for her. I suffer with the heat. I hate the heat. I suffer very much. Im anis as make the, so th weather, its not my friend. As you can see here, the blinds are open. Pepco showed miss edwards how she can stay comfortable while saving energy in her home by drawing her drapes a shutting the blinds. Using the ceiling fan to ai circulate unplugging unnecessary lamps and appliances and setting her thermostat at 78 degreeshich is anadjustment. I would not want to be a part of having a power outage where there are people out there that done any way perhaps dont have air conditioning at all, but im still praying on that. 78, ill try it. 78 degrees. It leaves you with a little glow, and if you work during the day its ksy toep your thermostat a little higher than that. You save some money and so energy and youre going to glow a little bit and wait in the night to use appliances that create heat. I know a lot about this, like ovens, washer dryers, wait until night to use those. Youve done a fine job. W yourlier with your dog, chris. Keep up the great work. There you go. There you go. He cant qualify because he he would like to qualify for pats pets but hes a member of the nbc family. Too bad. But hes gettinof plenty air time here so way to go, chris. Absolutely. You think youre glowing, how hot do you suppose he is . In a fur coat, exactly. It would be nice if we could set the thermostat outside. When is the last time we saw 78 . Too long to recall, honestly. It affects your g,thinkin your your everything. Its just oppressive when its this hot. Just talking to people here at work. Im feeling drained and its because of how hot it is out there. It tucks it out of you. You didnt plan this, but its like pet hour here hat nbc. This just shows how much we all ove our pets. All of us are dog parents, yes. So i have to put my dog on tv in the background here. But in all seriousness keep your pets in mnd during the extreme heat out there becausehe t air temperature is one thing. The ground surfaces are typically much warmer than the thermometer is actually reading so check this out as we take a look at concrete versus asphalt. Yeah, theres cora. Liked that walk. It wasnt too hot. On a 59 degr day the concrete is actually the temperature of 140 degrees. The asphalt is up to 15050 so this weekend is all about short walks in the grass, if be po. Can you test the surface by putting your hand on the ground. If you cant hold it there for five to seven seconds, its unsafe for their paws out there. Bye, cora. As we take a look over the weekend, excessive heat warning tomorrow. This is from 11 00 a. M. To 9 00 p. M. This is for everybody. We then look to sunday where we have an excessive heat watch from 11 00 a. M. Until 9 00 p. M. , so we have a warning and a watch. Whats the difference . What does that all mean . A watch means were being vigilant. Were monitoring the sihation so t watch on sunday either becomes a heat advisory or an excesve heat warning. The difference between an advisory and a warning, boast them are happening and and advisory is a t moderatereat here in yellow and a warning here in red means its a high risk dangero situation out there, tomorrow that excessive heat warning, a high threat dangerous situation. I think sunday will actually be under ace exive heat warning as well. Heres the feelslike temperature tomorrow at 8 00 a. M. Already feeling like were in the 90s. Look at lunchtime. In the only feeling like 100 but feeling like 110 degrees in many locations. It only gets worse during the peak afternoon hours, 4 00 p. M. Feeling like closer to 110 and 115 degrees in spots. Even tomorrow night we dont get relief out there. Headed out for dinner or an outdoor concert, theres so many events outside. No rried about storms so much, look at 10 00 and how comfortable it is. Still about 59 in frederick, about 100 i whington and feeling about 94 degrees in manassas. A High Temperature tomorw of 100, a high on sunday of 99. Dangerous heat means were in weather alert mode all weekend long. Maybe some scattered thunderstorms around later on sunday. Thnday some storms are looking likely. Could be severe. Its still oppressively humid high ere on monday with a of 93. 80s and lower humidity on tuesday. Wait until you see the back half that have tenday. I i have that coming up at 6 45. Tuesday is looking pretty go