This suspected terrorism. So far, no group has claimed responsibility. Ellison barber, wusa9. The dangerous heat wave we are experiencing. Topper shutt is standing by with the steamy details. Yellow weather alert today, carrying that in to the weekend in to next week. Temperatures tomorrow, and sunday, 98, maybe 99 on monday. I guess the good newses news, we drop to 94 on tuesday. Records are probably safe. We have been saying this much of the week, best chance of a record high is monday. Heat index, the temperature you feel as you go outside and exert physical activity, feeling like 106 tomorrow. 103 sunday. Same temperature but a little bit less humidity and bounces back up to 107 the suspectry mark or over monday and tuesday and wednesday, of next week. Exercise in the morning or indoors if you can. Keep your shades or curtains closed. East side this the morning, west side at night. Light colored clothing and check on the elderly and pets as well. They need to be hydrated also. If you download the app, we will tell you where the cooling centers can be found and pools open late overed the weekend. We will talk about in the 90s leave us alope in the 90s leave us alone if the the 90s leave us alone. Dc issue as heat emergency when the temperature soars above 95 degrees. Elderly residents encouraged to call 311 to find out where they can beat the heat. The best thing to do is stay hydrated. Drink lots of water. If you can get in conditioned place. Dc office on aging has outreach coordinators checking in on seniors in need who cant get to the cooling centers. A power outage, National Museum of afternoon arts, american indian, sackler gallery and the hire shon were closed. Traffic lights also lost power. Hilary clinton is speaking in florida. Several top dem california cattic insiders say the front run ser tim kaine. Reporter tim kaine has been in massachusetts today expected in rhode island tonight while hilary in florida. He has been insisting to reporters tracking him that he doesnt know if she is going to pick him. If he is going to campaign with her tomorrow, they are running out of time. People here and around the world want to know. All politicians seem uptight. He is a funny guy. Reporter pull a camera out and the neighbors come running to talk to you. I call it tim land or because everyone around here, confederate avenue, knows tim. Reporter tim kaine lived her for decades, raised children here, cents them to majority African American public schools, worshiped at a majority African American perish. Mc cull of he talked about tim kaine so often, clintons told here he is poised to be Vice President of the United States and one day president of the United States and lives two blocks away from my house. Reporter tim kaine calls himself boring, some say his speaking style is bunson burner than flame flower. Hillary does not mind. I love that about him, he never lost an election, a world class mayor, governor and senator. Reporter tim kaines wife, ann, left this morning to go to her job downtown as secretary of education, and as far as we know, she is still there. Bruce la shan, wusa9. Back to the lye shot of live shot of the democratic nominee, hilary clinton, in florida, we have not heard people are speculating she might be delaying because of what is happening in germany. We might find out on social media. Folks are thinking that tim kaine will get the running mate position. A tweeter writes, depressing, she is the moderate that needs a liberal. This particular tweeter says nice guy, no spark and mark says are we getting a bait and switch . Are we getting a progressive. Not if she chooses tim kaine. Today, fresh off of accepting the republican nomination, donald trump was thanking volunteers and appeared with mike pence of indiana. The billionaire used the opportunity his primary rival, ted cruz who you might recalled to enforce donald trump. Booed out by thousands and thousands of people, not one person in the room. Not one. He will come and endorse over the next little while because he has no choice. I dont want his endorsement. What difference was it make. Moments after he said he didnt care about a ted cruz endorsement, trump suggested he might start a super pact to target the texas senator if cruz runs for president again in four years. A 30yearold man maybe on his way back to alexandria to face a murder charge. Clark is held in another state, Alexandria Police have not saying where. A man identified as hall died on july 2nd from the injuries he received in a shooting on first street in alexandria, clark is a suspect in the case. He was arrested this month extradition to virginia. Authorities have announced the arrest of an 18 year old they believe who staged the murder of his own father to make it look like a suicide, at first, 18 year old garrett w barker claimed his father kevin barker discussed suicide and shot himself to death. His father was suffering from lou gehrigs disease. The teen told his girlfriend he murdered his father when kevin baker became aggressive. A arrest with hotel robberies, they happened last month in hotels located in the 1500 block of rhode island avenue northwest, money, electronics, credit cards and laptops for stolen. Ronald lewis was arrested and charged with burglary, police were able to catch lewis because he left his phone behind during one of the robberies. In baltimore, a 2hour stand off between man and beast. Two bulls escaped from streets. They were cornered in a west baltimore apartment complex. Police put up fencing, the animals knocked it over. The bulls were lured in to a trailer and taken to the slaughter house. Big concerns in a small colorado town, their water supply maybe contaminated with the active ingredient in marijuana. Details ahead. Sfx crowd cheering sfx crowd booing sfx crowd chanting sfx crowd cheering sc johnson, a Family Company results anything but routine in colorado. Police believe they discovered thc, active ingredient in marijuana in a water supply. Authorities believe the substance was introduced in one of the towns five wells and done on purpose. There were signs of tamper forced entry in to what would have been the well water supply. I wases in the grocery store, i was in there 10 minute, in that amount of time, people rushed in and sold out of the water. This cause as real concern. If it happens in hugo, colorado, it can happen any place. The investigation is still far from over, town officials are awaiting the official results from water samples sent to state labs. We are learning terrorist attacks at the Olympic Games in rio next month. The defense minister says a dozen suspects were involved in on line group called the defenders of sharias they departments know each other personally but talking about getting weapons and martial arts training. A security expert based in brazil says there is good reason to be concerned about terrorism. Brazil is enormous continent size country. You got number of countries on the border in which illegal goods are trafficked regularly. Police are monitoring 100 people for possible links to terror groups, along the border. 85,000 police and soldiers will patrol rio due to a surge in muggings and shootings in the city. Still ahead, we go down the metro ton told get a okawhoa ady . [ explosion ] nothing should get in the way of the things you love. Get americas fastest internet. Only from xfinity. Launched a public outc arrests of king was caught on a Police Dashboard camera after the teacher was pulled over for driving 15 miles above the speed limit. The footage shows Austin Police officer, Brian Richter violently taking her down to the ground. He wasnt sure if she had a weapon. I was trying to figure out why this is happening to me. Oh my gods i was genuinely like, fearful for my life. Incident didnt end theres while king was on her way to jails another Austin Police officer talked about why peoples alleged fear of African Americans and told her blacks have violent tendencies and appearance can be intimidating. We got our fist look at metros major year long makeover. Metro invited adam longo. Both lines are single tracking church. Ers are replacing 1300 wood rail ties. We are learning about how to maximize our time on the tracks to get as much work tone as possible. The work is taking police under grouped and replacing hundreds of bolts. If you have walked outside yourselfs debra and photo journalist, april rode along with firefighters to get a feel for what they deal with. Reporter imagine wearing snow pants, scarf and heaviest winter coat on a 90degree day. Captain david has been a firefighter for 19 years. Today, he, and master technician, bob, responded to car crash and fire calls in full gear as they always do. Barlow explains one set of gear isnt enough. The sweat saturates the gear and it becomes wet and doesnt function well. We have a second set of gear at the fire houses on hot days you got to rotate out. Reporter can weigh 75 pounds. Firefighters have to build up a tolerance to be able to wear it and function. We need to work at least 20 minutes in the ensemble we wear, regardless of the weather conditions. Staying hydrated is something we practice and preach. Reporter just as important as getting used to the gear is Drinking Water a day before, so you can be hydrated today. It is what it is. Reporter while i dealt with it, i would be lying for i said this, you wouldnt make it five minutes. Reporter in fairfax county, a tired and sweaty debra alfarone, wusa9. Fairfax county fire and rescue has more firefighters on the clock so they can switch out crews. Thats a great idea. You feel for those guys. Think about all the guys working outside. Thats a very dangerous occupation. Folks on the tarmac doing the luggage. You are in an often, you are on pavement. Not to mention the roofers. Looking at the first day of serious heat, it was 90 yesterday, stood the first day today is the first day. Yellow weather alert today. Here are the impacts. High heat index, a high impact. Exercising outdoors, high impact. Stay hydrated and check on the kids and elderly and take care of the pets, too. Well. A live look outside, its 91, dew points low 70s, not so comfortable. Winds south, southwest, 16. Muggy tonight, low temperatures in the 70s. In the district, talking upper 70s. Dangerous heat through monday now, the weekend heat index 102 106. The heat index monday, closer to 110 degrees. Couple of degrees hotter monday and more humidity on monday. Heat wave is here. 9 tomorrow, 98 sunday. 99 monday. Records are safe. The only record we might approach, mondays record, 100, a couple of years ago. What about the heat index. Feels like 106 tomorrow. Drops to 103 sunday. Back to 107 monday. Next week, tuesday, wednesday, thursday, the heat index will be around 100 degrees. In terms of future cast, 10 00, it will be dry, muggy, downtown. 81 in fairfax, 7 00 in the morning 70s briefly, because by 10 00, 88 downtown, 86 in rock hill, Silver Spring and upper marlboro. We get in to tomorrow evening, couple of showers are possible here and there with temperatures in the mid to upper 90s. Day planner, 70s to start. 91 by 11 00. 95 by 1 00 p. M. Looking at 97, 98 tomorrow. 98 sunday. 99 monday. Isolated thunderstorm possible. Not much better tuesday, back in the mid90s. Mid90s wednesday. Holding the low 90s thursday and friday of next week. Frank is live at the verizon center. Reporter its like i need a blanket inside chilly verizon center. Mystics and the sparks coming up. Controversy and players are not too wl your Business Needs a lot of speed. But getting it doesnt have to break the bank. Introducing the comcast business Summer Savings event. Now you can get a lot for a little. As little as a cup of coffee and d aonut day. Fast Internet Speed to drive peranformce, plus cutting edge wifi for your employees and customers, and voice mobility so your calls find you wherever aryou e. Get some of our most advanced products at a great price with over 500 in savings. Call today and ask how to get these savings plus a 250 prd epaicard. Comcast business. Built for business. But how did we end up here . His mom thought he had the flu and that he was covered by the meningococcal meningitis. Vaccine he had received. Until 2014 there were. No vaccines for meningitis b in the u. S. Now there are. While uncommon, meningitis b can. Lead to death within 24 hours. Trumenba is a vaccine for 10 through 25 year olds to help prevent group b meningococcal disease. Trumenba should not be given if you had a severe allergic reaction after a previous dose. Most common side effects were injectionsite pain, fatigue. Headache, muscle pain, and chills. Ask your doctor about. All the risks and benefits of trumenba and tell them if youve received any other meningitis b vaccines. Meningitis b can be spread by typical sharing behaviors. A drink. A spoon. A kiss. It all started here. It might have been prevented with trumenba. Ask your doctor about trumenba. Washington mystics, mystics taking on la sparks. A lot of discussion throughout the country about what the wmba has done coming down on teams for voicing their opinions on what happened with the recent shootings, by police in baton rouge and minnesota, as teams were wearing black lives matter warm ups in support movement. Recently the league fined the teams 3 of them, 5 grand and individual player 5s hundred dollars. Mystics were not one of the teams but know this is a big issue for them and the league. There is a lot of buzz going around with what is going on, we look at your tshirt, black lives matter and seen teams get fined and players get fined. You are behind the rest of the players. Without a doubt. Majority of our group is together majority of our league, we have a union, there is 100 backing of this. Unfortunately, the league is not backing us right now. For us as players, its a prominent thing to stand behind each other and support each other, new york, phoenix and indiana were fined. We support them. Reporter were you surprised by what happened . You see star game out of the charlotte and wmba is fining players for making a stand. I think it was 2013 that the mba had i cant breathe shirts, they were not fined for that. There is a little bit of a tilted scale when it comes to that. We are not sure why they would be something we would need to answer. This is something that directly affects our league. 70 of our league is African American. Reporter im told mystics may do a media blackout after the game because of the fact they want to continue to keep the dialogue going. Thats the latest at verizon, back to you. Looking like a good weekend. Thats it at Award Winning interface. Award winning design. Award winning engine. The volvo xc90. The most awarded suvof th. Pelley now its munich under attack. [gunfire] a state of emergency has been declared with many dead and wounded after gunmen opened fire at a shopping mall. Also tonight, clinton zeros in on a running mate while trump takes aim. Hillarys trying to pick her poce president as fast as lessibca, beuse she wants to take away a little of the success that we had at this convention. Pelley officers are investigated for a violent takedown, and the lecture that one of them gave in a squad car. 99 of the time it is the black community thats being violent. Were you offended