a big problem for bart in the east bay due to a fire on walnut creek bart was closed because of a fire along the tracks. the incident is causing major delays. we have a representative from bart on the phone. thank you for joan -- joining us. what's the situation going through walnut creek. >> the station is re-opened and we're are single tracking now. that's great in terms of being able to get passengers through

walnut creek, for a while we did not have trains running past lafayette or pleasant hill. we had a fire on the track. coverboard caught on fire. a consider board covers the third rail, and i know i think about seven coverboards at some point were on fire or the damaged as part of it and crews had to complete inspection and we haven't had any train service until 3:00 p.m. now we'rable to single track. >> how big are the delays. >> it's not clear yet. we have to see how the trains are able to share one track, so not clear yet. always good to leave extra time, but i'm not sure how much extra time at this point ridership should give. i would expect maybe at least 10 to 15 minutes delay from singing tracking. >> if you can, give yourself a little mow leeway was car traffic was busy. do we know what caused the fire? >> not yet.

a lot of times what happens is there's debris on at the track or a train go over debris and its causes a spark. i'm waiting for word from control center and the crews and the fire department on what caused it. >> thank you for your time this afternoon. keep in touch. give us the latest on that. thank you. >> thank you. >> we'll bring you the latest on the situation at 6:00 and on the abc7 news app. just enable push alerts. another issue for bart, the agency's investigate ang arrest made by some of its officers. cell phone video has gone viral and some witnesses say it was a case of excessive force. it happened inside the embarcadero bart station. cornell bernard is there live with details. >> bart says it is taking this indent seriously. it's also reviewing body cameras

worn by officers. witnesses believed the arrest of this man went too far. >> itself was a brutal sing. my legs were shaking. >> she is on vacation in san francisco, riding bart on friday with her mom when she shot this cell phone video of bart police arresting a 22-year-old robbery suspect inside the embarcadero station. dozens of witnesses watched. some say officers went too far. >> one of the policeman had his knee on the kid's back, and it looked leak he was going to break it. one guy next to them yelled, please just get your leg off his back. you're going to break it. >> bart officials believed the suspect was armed but a gun was not found. official says the handcuffed man resisted arrest and may have hit or kick, the video shows an officer punching the suspect. >> everything that is coming forward about people of color being profiled and treat unfairly by the police, the bart

police thought it was okay to behave that way. >> we showed the veinow to the san francisco police commission member joseph marshall who has no injure disk of bart police. >> the young man looked like he was hit while on the ground and subdue and handcuffed, and i don't see any reason for that. that looked to be a very unnecessary, very improper -- >> reporter: bart said the suspect was uncooperative with officers and physically resisted the detention the man was arrested for resisting arrest and battery on a police officer. in san francisco, cornell bernard, chance abc7. >> details on a bullet firedder in two emeryville police officers. the police department says it goes nose believe the officers were targeted. last night they were walk only a security check on watt street when a bullet ricocheted off the fund near them. the officers did now see any suspects in the. developing news, a close call for two boaters in the bay off the coast over emeryville.

this is the scene from our camera. you can see the boat capsized in the water. al meet da yack for and the coast guard were notified but the twoow managed -- duo managed to upright their boat andsale off. one person is dead after a car rolled over in redwood city last night just about 8:30 on southbound highway 101. the redwood city fire department tweeted a picture. they say the driver was eject from the car. the crash closed the offramp until midnight. 16 people died when a hot air balloon crashed in texas. video gives us an aerial view of the crash. here's the latest on this developing story. >> reporter: fully engulfed vehicle hire. >> reporter: a sunny field in texas, now the scene of a

nightmare. >> first i heard a whoosh. like a whooshing sound, and then it just -- a big ball of fire up. >> reporter: a hot air balloon with 16 people onboard crashing, the local sheriff's department confirming there are no survivors. >> like a gunfire, explosion, and then a little bit later i heard another one. >> families may be watching this right now, we offer our thoughts and prayers to all of them for the loss. and this will be a difficult site for us to work through. >> the national transportation safety board already on the scene, south of austin. faa officials reported the balloon hit high voltage pour lines, catching fire around 30 saturday 7:30 saturday morning. >> don't want to see something like this again. i think maybe they need to stop making balloons that will carry that many people and just keep it to smaller groups. >> the pasture new blocked off as investigators comb through the wreckage looking for

answers. police are investigating a stabbing that left four people in injured this morning. happened in downtown san jose near the convention center. an officer witnessed a disturbance at 1:20 in the morning. when he approached the group he found four people with stab wounds, all four went to the hospital. several unidentified suspects fled the scene before the officers got there. stockton's mayor is explaining while he waited nearly a month to report that a thief stole a gun from his home and the weapon was later used to kill a boy. the mayor has had two guns stolen from his home in separate incidents over the past two years. court documents from the d.a.'s office show one of the guns was used in the february 2015 killing of a 13-year-old boy. silva reported the gun stolen 28 days after the murder because he says he no longer lived in the house. >> the house was empty and was actually burglarized twice.

one time i cape up on the suspects and each time i reported a mother and one times i reported the stolen gun. >> police recovered the gun from a stockton home. officers are still looking for the person who killed the teen. uc berkeley's chancellor now has an escape hatch next to his office in case he is pinned down. we were at uc berkeley where the emergency exit was built as a security measure. the daily californian reports the door is in response to a protest in april of last year, when demonstratorred stormed the chancellor's suite. the $9,000 door is located outside a short hallway when at the chancellor are conference and his office in california hall. the latest on the massive wildfire burning near big sur. it's green to 52 square miles, destroyed 57 homes. more than 5,000 firefighters battling the week, old wildfire. officials expect it to linger until the end of august. some of the people forced out of homes are now returning to find

not much left. >> i just picked up one of our old community members, took him to his house. he said i want you to find out for me, and i know you need to see it. >> a community meeting is scheduled in an hour to update neighbors about the fire. a water warning across california. why state officials want warning signs posted at nearly 200 reservoirs. also ahead at 5:00, the magic returns. millions of fans will get back in touch with harry potter tonight. >> can you feel it? mother nature bring us refresh are air. temperatures dropping by ten degrees this afternoon and even cooler air arrives for the second half

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>> several streets in san francisco will be closed during the 39th running of the san francisco marathon. the race begins tomorrow morning at embarcadero and mission, wind through the city and across the golden gate brim before finishing at the embarcadero. street closures begin at midnight 2:45 tomorrow. nearly 200 reservoirs throughout the state are contaminated with excessive levels of mercury according to the state water resources control board. it's prompting the board to issue mandatory health advisory over two years. officials warn owners of the reservoirs to post warnings about eating fish. the reservoirs including lake berryessa, crystal springs, stevens creek in santa clara, and a reservoir santa cruz. >> a happy meal of sorts for a young boy with autism.

he loves his french fries. now a famous restaurant made him an offer that his mother calls a blessing. heading outside? a bit milder outside. you can see the fog rolling in.

happening tonight. book stores in the bay area and across the world will do something they haven't done in nine years, hosting a late night party for muggles hoping to get their harry potter fix in. the new book goes on sale at midnight. book stores in san francisco, oakland, palo alto and santa claire where are among the many where you can celebrate. event begin around 10:00 or

11:00. now to north carolina and the story of a boy with awe thank you. who was underaway from a restaurant. he was eating mcdonald's friesed a a golden corral restaurant with his mom. they were asked to leave because the food came from outside the restaurant. when a mcdonald's franchise ownedder heard the story he offered him an unlimited supply of french fries for a year. >> unfair that -- it helps me. just a blessing. >> she says the gift will be a big help. she says she usually spends about 200 bucks a month at mcdonald's. we got the marathon in san francisco tomorrow, drew, what's the weather going to be like? >> i think it's going to be ideal for runners. cool temperatures, fog to contend with, and that sun will break out just as the marathoners across the finish line along the embarcadero, so picture perfect for the runners.

live doppler 7hd showing you we have coastal clouds, so take you outside. a live look from the mt. tam cam showing you the fog is regrouping and trying to push in. it's cooling off after we had the heat wave. half moon bay has the fog, 58 degrees. this is a sight we have not seen in a long time. the fog is making its presence known in our inland valleys and that is bringing a cooler afternoon, in some of the hottest spots yesterday 88 concord and livermore, 92. that's actually ten degrees cooler than we were yesterday. part of the ron why, look at the wind right now. it's active. gusts at 23 in oakland, delta and fairfield. 32 miles-per-hour winds and that's helping to bring that ocean breeze into our inland

valleys and cool us off. so our 24-hour temperature change, nine degrees cooler in concord, 13 cooler in fairfield, santa rosa is 12 degrees cooler. so definitely feels a much cooler across the region over the past 24 hours. overnight tonight, the fog regroups and pushing in and into the inland valleys. so everybody drops into the fifth's across the board. the forward weather, going hour-by-hour, calling for spotty drizzle along the coast. as the marine layer thickens. that means for the marathon tomorrow morning, 5:00 in the morning, we have fog, and the chance of patchy drizzle along the coast. it's 53 by 7:00. soggy skies. west wind, a cross-wind over the golden gate bridge. by 11:00 a.m., the bay is clear but the coast will still have some fog. we'll see the fog on the coast into he mid-morning hours and by

the afternoon, sunny skies bit hazy especially inland. moderate air quality and part of the reason why is smoke from the soberanes fire. so if you have respiratory issues can take note. tomorrow, 70 oakland. 64 san francisco, 83 san jose. 80, santa rosa. the beach, sunshine tomorrow but tomorrow a different story. we'll have clouds first thing. some sunshine breaking out in the afternoon. it won't be as bright of a day as it was today. the seven day forecast, sunshine tomorrow, you see a really typical pattern on wednesday and thursday and friday, temperatures continue to drop. we're calling it nice for august. that's august coming next week. and then temperatures -- no intense heat on the horizon so the heatwave is finally snapped. >> good news. it's appreciated. shu has a preview of sports. nice temperatures for them to have training camp.

>> hard to believe football is already here. we'll visit both in the niners and raiders training camps, and hunter pence back with the giants off the dl. see if he

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49ers reported to camp today with some good and bad news, good news, anthony davis reach stated by the nfl after an 11 month retirement due to concussion issues. bad news, william will miss the buyer season.

davis will be a huge addition to the line. a lot of question dozen be answered for chip kelly, including his starting quarterback. but the run game with carlos hyde will set the tone if he can stay healthy. >> way better year than last year. not just for me, for the whole offense. things will be good for everybody. i'm excited. >> the tempo, getting used to it, it's definitely a competitive advantage, and it's not like he is out there drawing up plays in the sand that are brand new, but just the way he puts things together, from what i seen, seems awesome. >> i should play for a coach who drew plays up in the sand. raiders have been the media darlings this offseason with high expectations of win thing afc west. i'm on that band wagon and will starts with derek carr and mack on defense. karr needs to make the next step of winning big games and being a

clubhouse leader. mack has become a dominant force and will grow with the rest of the raider defense help leaves with this play on the field but i think will be more vocal this season. >> i feel like the work we are putting in right now is going to give us the confidence when the season hits to go out and win games consistently. that's what we're looking forward to do. >> i think in my head i need to train as if i'm not a rookie still competing for the starting job. i still want that same mindset. that sim chip on the shoulder, the second round thing. still bugs me. >> hard to believe football is here. the giants have lost three straight, the lead over the dodgers down the one game and they're hosting the gnats with jake peavy on the mound hunter pence back, doubled his first at-bat but did not score. top three no score. rondon, breaks the were run shot to left. jake peavy, not happy about that. still, 3 or in the fourth. new man, nunez.

key hit. two-rung single. brings in brandon belt and joe pan knick. -- panik. bester posey nails bryce harper. 5-3 the final. 98 pga championship third round started great force the ice cream fan, and for daniel summerhayes. eagle. then came the rain. only 36 of the 86 players who made the cut finished their round. jimmy walker and robert streb are in the lead. a's in cleveland and a rain delay. billy burns was traded to kansas city for an minor league outfielder. billy bean's garage sale heating up. should be interesting.

you know how the a's or this time of year, sending players coming and go. >> a's and raiders, hard to believe. toddlers with no training wheels. see the other big race in san francisco, when as soon as abc7 at 5:00 returns.

coming up at 6:00, following developing news, water rescue happening in san francisco. a live update on the breaking news, the walnut creek bart station where a track fire is affecting service. the san francisco marathon isn't he only big race this weekend. abc7 news was at pier 35 as 300 toddlers from all over the world took part in the strider cup world championship. the racers are between two and five years of age and ride special bikes with no pedals and no training wheels. look at them go.

that does it for us here at5:00. thank you for your time. see you at 6:00. welcome to "world news tonight." breaking news, hot air balloon disaster. the balloon full of passengers striking a power line and crashing into a texas pasture. >> i heard the popping, and the next thing i knew is the fireball went up. >> no survivors. 16 killed. what we're learning tonight about those on board. we are on the scene right now. >> a zika outbreak here at home. four cases in florida. residents being tested. can it be contained? dr. besser is standing by. one of the most powerful moments in the democratic convention. muslim parents of a fallen american soldier calling out donald trump. >> you have sacrificed nothing. >> tonight trump's response sparking outrage. >> if you look at his wife, she was standing there and maybe she wasn't allowed to have anything to say.