we know what happened. we don't know exactly why that happened. >> emergency calls that were not getting through. what caused late night calls to d.c.'s 911 call system to never get answered. plus, it looks like a train derailment. it's local emergency risk ponders sharpening their skills the next time something goes wrong on metro. and interstate tragedy, the disturbing information invest getters have already uncovered on the bus driver involved in a deadly charter bus crash. >> now, abc 7 news at 6:30, on your side.

us. d.c.'s 911 system is active in running tonight but investigation continues at this hour after a power outage took the call center down for nearly two hours. a reporter is live outside the 911 call center in southeast d.c. do we know how many calls were missed? that is one of the many questions tonight. officials tell us they are not exactly sure the number of calls that were missed but at that time, usually they get about 300 to 350. this was anlling us equipment failure and tonight, the people relying on this 911 center want to know how this failure happens. >> d.c. 911 service is experiencing a service interruption. alyssa is the text alert woke up to, letting her know d.c.'s 911 system was not working. >> that was at one point 17 a.m. >>

director says the system went down at 11:30 last night because of equipment failure. the rent --of different boxes out the power to our system. >> the building itself never lost power, but for 90 minutes, anyone with an emergency was not able to reach a dispatcher inside the call center. >> right now we don't have an accurate count of the amount of calls we missed. we do know that at this time normally we are bringing in between 350 calls. >> at first the equipment failure did not allow calls to be transferred to the back of center. official set of a 10 digit alternative number for emergency calls. we are told the 40 were received during the outage, 34 ems, five for the fire department, and 5 for police. >> we know exactly what happened,

exactly why that happened to our system. >> a hack or malicious activity has been ruled out. but the mother of three wants the city to do better. 911 atmight have to call any time, so you want to know you can depend on your citiy services. reporter: for the time being, the main call center and backup center will be up and running, except being called until clear on how this outage happened. live tonight in southeast d.c., ryan hughes, abc 7 news. isberly: it turns out d.c. not alone. a dr. 911 system in montgomery county went down for 2 hours. the system failed and an equipment overheated trade -- overheated. two people died in the county during the outage. today unified communications said the problems are not related.

now, it looks like the aftermath of a major derailment. emergency lights, people on stretchers. it was just a training drill. ac. fire and ems simulating train derailment on the yellow line about the potomac. 68 people were on board that train. tows set up makeshift triage help emergency responders practice a real-life scenario. today's drill lasted a few hours. right now in southeast d.c., repair work continues 22 hours after a water main break on minnesota avenue. today urban forest tree removed a tree and the root blocking dc's water to that break. an eight inch height broke around 8:30 last night, closing a stretch of minnesota avenue. will be complete in time for tomorrow mornings rush hour, according to an estimate.

meteorologist ryan miller has the first look at your forecast. good evening. it beautiful day, plenty of sunshine, and temperatures up to 90 degrees. a nice breeze out of the northeast, that took some of the heat out of the air and made it tolerable. things are looking good trait we have beautiful conditions. that sun will set at 7:44 and it will be a fine evening if you plan to be outside for dinner or do any activities, perhaps exercise and a beautiful evening right now. we are right along the potomac river, gorgeous sunset setting up right now. temperatures into the 80's, 87 degrees n d.c. all of us right now into the upper 80's. be in theike we will 60's in the northwest suburbs come tomorrow morning. 90 degrees today, our 20th day at reagan national at 90 or higher. we will see plenty of heat as the workweek starts out.

evening temperatures, 60's and the northwest and suburbs tomorrow morning. kimberly, back to you. nation, aaround the developing story, a deadly charter bus crash in louisiana not far from new orleans. two people were killed. dozens of others were injured. the roads were simply littered with debris. state police say firefighters responded after a pickup truck speeding on a wet interstate in st. john's parish hit a guardrail. minutes later, a charter bus slammed into the scene, hitting three firefighters. 2 more vehicles and a pickup truck. one firefighter and one person in one of the other vehicles died trade investigators say the bus driver, dennis rodriguez, did not have a driver's license and was in our country illegally. the people on the bus were headed to baton rouge to help the rebuilding efforts following the devastating floods. they were all volunteers.

not in the country legally. now to the race to the white house. a pretty quiet day for both presidential candidates, with no public appearances. running mate mike pence said the republican nominee is not changing his position on immigration. in an interview this morning, pence said there would be no path to legal status or citizenship unless people leave the country first. the indiana governor refused to say if trump planned to deport all 11 million undocumented immigrants or just those who commit a crime. opponents of donald trump once again protested outside the trump hotel at the old post office pavilion. protesters included faith leaders and members of lgbt, latino, and african-american groups who oppose his policies and comments about minorities, the disabled, and women.

abc 7 wants to connect you with the presidential candidates to better inform and empower you. tell us what you would ask the candidates. send us an e-mail at yourvoice@wjla.com. alarm bells will be ringing. at 6:30, where you will have some extra traffic is thousands more students head back to school. norm, stillm the ahead, some employees will be testing out a 30 i don't want to live with the uncertainties of hep c. or wonder whether i should seek treatment.

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kimberly: some are officially ends tomorrow for thousands of children. it is back to school for students in eight school districts. they are montgomery, calvert, and charles counties in maryland. in virginia, back to class for kids in prince william

manassas city. police sictly enforcing safety laws that include stopping for buses, stopping for students in crosswalks, and slowing down in school zones. everybody take it easy tomorrow morning. don't forget to capture your little student's big day. take a picture and share it with us by logging onto burst.com/wjla. just look for the bubble that says back to school. memo,e you missed the prince george's county headstart students will get to start school tomorrow. this after the program was in limbo after a series of incidents involving teachers mistreating young children which led to the decision to pull $6 million in funding. officials announced friday they will step in to help offset the cost until it can get back on track. some residents are still demanding the resignations of ward leaders, accusing them of covering up teacher misconduct. some kids in the district head into their second week of class already,

discounts for students to get free haircuts and free hairstyles. at the davisow up barbara beauty supply shop in ward 8. organizers say they host the event to help those in need to save their money for other things that kids might need for back to school. how does a shorter work week sound to you? coming up, who will be testing the concept of a 30 hour work week. plus, if you don't like all this heat, good news ahead great relief is coming.

kimberly: a 7 on your side consumer alert, amaz

work week for select employees. within therogram is human resources division. employees with a salary will receive the same benefits as their 40 hour counterparts, but with a reduction in hours comes a 25% reduction in pay. times" story last year said amazon employees often work up to 80 hours a week. a shakeup at the box office this weekend. ♪ >> that's your guy. >> is he blind? kimberly: the horror flick "don't breed" scared off "suicide" out of the top spot. reathe" took over first place with $26 million. "suicide squad" dropped to second after three weeks on top, early nearly $640 million worldwide. seventh.y film came in

see a movie, because this is the kind of whether you want to go to the pool or ride your bike. ryan: it was a great day to be outside great -- outside. some changes, big time changes coming our way here. looking at thursday and possibly heading into the next upcoming holiday weekend. aret now the shadows getting longer in rockville, plenty of sunshine, blue sky out there. 83 degrees. winds out of the east today. we saw some humidity. nevertheless, we made it up to 90 degrees i typically we see 36 days a year at 90 or higher. we've had 48 today with our 48. last year we had 52. cooler changing weather coming our way here, looking at a cold front coming in possibly thursday morning, and that will bring some refreshing air. your forecast for the next several hours, 80's this evening, dropping into the 70's. a mild overnight.

the shenandoah valley, we could have some patchy fog. 80's for all of us right now. 88 degrees the popular number across northern virginia into central maryland trade hagerstown, good at 88 degrees. we are quiet at the dmv out to the mountains in west virginia, some terrain enhanced. some storm development across parts of west junior. -- virginia. quiet overnight precipitation wise, but things beginning to get active across the tropics. two tropical depressions, andical depression adolf, then we have hurricane gaston in the middle of the atlantic. the hurricane will stay out in the atlantic. we will not be concerned with that. the tropical depression will begin to push towards the carolinas over the next 24 to 48 hours. it is forecast

to strengthen into a tropical storm. the cold front will begin to push in and that will be the steering mechanism that will keep this tropical system away from the delmar and begin to push it out. this system could bring us a little bit of moisture here on wednesday. futurecast brings no cloud cover across the area this evening. tomorrow we will watch a week whether boundary come in in the afternoon. that's going to begin to push to the east. that tropical system to our south will get close to the carolinas, real close, and eventually begin to push off to the northeast. that's a good news spread your forecast for tomorrow, a lot of students heading back to class. we will be in the 70's at that pickup at the bus stop. outow lots of folks will be practicing, students will be practicing. watch that heat and humidity tomorrow. air quality orange for your day tomorrow as well. let's look at that seven day forecast. into thursday, we are talking 80's. very

comfortable weather on friday, 84. kimberly: nice, comfortable weather for that stands. -- nats fans. i thought it was outside. reporter: still not commenting. no love for the nats besides bryce harper going yard. trea turner keeps pushing. sports is next.

>> and now, the toyota sports desk, brought to you by your local toyota dealers. reporter: bryce harper getting ejected after getting into it with the home plate ump. nats would lose to the rockies. we are back at it today. bottom of the first, 1-0 rockies. trea turner

impress. it's this one deep to left. that' two more hits. he's hitting .345 now. lucas g alito got the start, gave up 4 runs in five innings. nats down 5-2. bryce harper lets out a little frustration last night. nats fall. the final for this 15-3. o's and yanks, top of the eighth. o's up 4-0. mark trumbo, he unloads on 1. to deep left center, and it's gone. his 40th of the year, he still leads the minor leagues. 5-0. quiet preseason for desean jackson. this is good, no pulled hamstrings or any. he had a good night friday. a 39 yard catch and run. as always, these things are expected. here's jay gruden on his rece

he's definitely a playmaker, has great speed. excited to play, excited to practice and carry over to the game. makes a difference, that's for sure. >> is a very talented elite receiver in this league. i've always said we have to find ways to get the ball in his hands. right when prove us we throw the ball in his direction. we will continue to try to give him opportunities, i believe, and have great confidence he will continue to make plays happen. reporter: ravens weren't so lucky. benjamin watson suffered a season-ending injury saturday night right watson tore his achilles in the first offense of play for baltimore. -- offensive play for baltimore. harwell made sure his voice was heard. >> is not the 1970's anymore. these guy

it's tough, and they are not meaningful games. they are important to get that er and they improve us, but we can find ways to get theguys evaluated without kind of risk that again necessarily entails. final gameaseball, of the little league world series. all's well that ends well for new york. a pitcher's duel, 2-1. upstate new york near binghamton, the team catches the first little league world series for the state since 1964. congrats to those guys. don't forget to join us first sunday, highlights from the day. we will talk redskins preseason. that tonight at 11:35. don't miss it. kimberly: i wonder how far those kids are from the hall of fame in cooperstown. reporter: they will be there. not too far, but he will be there, right? kimberly:

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kimberly: those kids going back to school will ask to wear their bathing suits tomorrow. ryan: they will wish they could be at the pool tomorrow. a couple90's tomorrow, storms possible in the northwestern suburbs tomorrow afternoon. 90 on tuesday. wednesday our day of transition, a shift in the wind direction and that wind will come out of the northwest from canada, delivering cooler and drier air. kimberly: that is why we love canada right there. [captioning performed by the national captioning institute, which is responsible for its caption content and accuracy. visit ncicap.org]

♪ ♪ it's time we make a difference ♪ ♪ it's time that we unite ♪ to change the world together ♪ on "we day" tonight "we day" is all about giving back. celebrating the good in our communities. together: and proving that we are stronger together. [ cheering ] [ camera shutters clicking ] ♪ we are the generation ♪ we're working day and night ♪ ♪ meep, meep-meep, meep, meep, meep ♪ ♪ on "we day" tonight ♪ whether it's with your family ♪ ♪ whether it's at your school ♪ even with the muppets? ♪ yeah, even with those fools [ laughs ] kermit: changing the world with...