Spread here. News 4 midday starts right now. Im derrick ward in northwest, the rising of the sun has found dc water crews busy at work repairing a water main that broke just before dawn. It is a rude and dry wakening for folks here, but not the hospital across the way. The rupture was loud enough to shake some residents. I think it was a whoosh. It buckled the road and sent a wave of mud downhill to macarthur boulevard. It also made for some maneuver big motorists who used the parkway. What it didnt do was disrupt operations at the hospital. When we built and designed this hospital, we did so with a redundant water supply. Reporter while the eightinch main may have busted, its not the only way the hospital gets its water supply. They have a bigger line coming in from another direction. They were responsive in shutting off the eightinch water pipe, so our 12inch main feeder was not affected. And the emergency facility feeds off macarthur boulevard. The bottom line is that patients and staff could get to appointments and that this is just like any other day. While residents dont have all the backup systems, at least one had a good alert system. My kids. Your kids. From boston, virginia, seattle, they said, mom, did you check the news . Theres something going on there. And there will be for a while. D. C. Water says that could be for the better part of the day. Thats the best thing they could give us in the way of an estimate. They say folks should expect some temporary disruptions in water service, but not the hospital. Derrick ward, news 4. Back to u. Im eun yang at the live desk, we are monitoring a rally that just wrapped up in washington. Jon stewart was standing with hundreds of firefighters on capitol hill. There he is in a tshirt with his beard. Theyre calling for the renewal of Health Care Benefits for 9 11 First Responders who became sick working at ground zero in the aftermath of the terrorist attacks. Many of those First Responders are suffering from cancer and other chronic diseases. The Current Program is set to expire at the end of this month. There is another program that compensates victims and First Responders which expires next october. The thing that gave me substance that day, the thing that gave me strength that day, the thing that carried me through those terrible moments was the power and heart of the First Responders behind me. Its still there today. Lawmakers were also at the rally. If these programs are not renewed, First Responders could lose Financial Support and health care. Im eun yang. Its been two years since a shee shooter opened fire at the Washington Navy yard. Today there was a private memorial for people who worked there and families of the victims. In 2013, aaron alexis shot and killed 12 people inside building 197. Police later killed alexis. Building 197 had been closed since the shooting. It reopened earlier this year. Under a new name, the humphries building. Theres also an area inside that honors the 12 victims. Developing now in utah, hundreds of volunteers are searching for people missing in deadly, dangerous floods. At this point we know at least four hikers died in Zion National park in the southern part of the state. Officials confirmed a dozen people including several children died in the town of hilldale. As of this morning safety officials are working to confirm new numbers that say as many as 20 people total may have died. Another four are unaccounted for. Hes already facing murder charges in a local College Students murder. In less than two hours the same man will be back in court to face charges in another Northern Virginia womans death. We have new reaction from the victims mother. Jesse matthew has an arraignment on murder charges in morgan harringtons death. She disappeared in 2009 after she went to a concert. We talked on the phone to harringtons mom. I have been in the courtroom every chance ive gotten. I want him to see my face. I want him to know im not going away after six years. Im not going away. And i know what he did. And today everybody else is aware of what hes been charged with as well. Matthew also faces murder charges in uva student Hannah Grahams death. Police discovered her body about five miles from where harrington was found. A d. C. Restaurant closed because of a salmonella scare reopened today. Fig and olive says it has the green light from the department of health. So far Health Officials say there are eight confirmed caseses cases s of salmonella and up to 70 cases link to the restaurant. While all those ate at fig olive, the source of the salmonella is not known. The banner says live capitol cam. I think we should say love capitol cam. A few wis pi hiclouds. Temperatures in the 70s. Our tower cram zoomed in on the washington monument. A bit of haze, but not humid. Off to the west, the other tower camera looking over frenchship heights, bethesda in the distance. Temperatures now in the comfort zone. In the 70s, across virginia, Shenandoah Valley, 60s in the mountains. We are waiting on a big announce front d. C. s mayor about the washington wizards. The city is building a new 55 million practice facility in ward 8 in southeast. More details are expected to be announced in a half hour. Check the nbc washington app. We know the new build willing stand where the former st. Elizabeths hospital used to be. The city hopes to open up the new facility in 2018. The pope weighs in on his trip to the u. S. Just days before taking flight. First all eyes are on california. The four things you need to know about the big president ial debates that everyone will be talking about tomorrow. News 4 midday is back in 60 here are four things to know about tonights president ial debate. The stage is set for the second gop debate at the reagan president ial library in california. The top 11 polling candidates will be on the main stage at 8 00 p. M. , they include dump, ben carson, scott walker and chris christie. Its not a question of if and when, but who will attack trump first. Tonight is a second test for jeb bush who is at 6 in the polls. Strategists say he needs to take on trump without crossing the line. Its an important night for Carly Fiorina. To keep her momentum going, she needs to grab voters attention tonight. Four candidates did not make the cut for the staged debate. Rick santorum, bobby jindal, George Pataki and Lindsey Graham will face off in a less formal debate. They still need to grab voters and donors attentions. The democrats will get a chance to debate, too the first democratic president ial debate scheduled for october 13th that will bring together Hillary Clinton, Bernie Sanders and martin omalley. All this information on tonights debate is on the N Pope Francis says he is looking forward to his visit to cuba and the u. S. With great hope. He heads to cuba on saturday before traveling to the united states. He will arrive in the district on tuesday. Were learning that hes been practicing his english over the summer, but hes still more comfortable speaking in spanish. He will give 4 of his 18 addresses in english during his u. S. Stay. Crews are busy setting up risers outside the basilica of the National Shrine of the immaculate conception. Next wednesday the pope will celebrate mass at the basilica. If you have not done so already, this is a perfect time to download our nbc washington app. You will want to have it before the pope arrives. That way you can stay ahead of the traffic delays, receive alerts straight to your phone. Tom . Bright sunshine and temperatures are right in the mid 70s, around the metro area. Where is the rain . The closest rain is way down yonder in georgia and in florida. It will stay down there. Look at how dry it is, the eastern twothirds of the country is dry. We are in the middle of this enormous high pressure. No rain in the region. Blue sky. The pollen count in the moderate range for weed pollen and some mold spores as well. If you are sneezing, wheezing, thats why. Warm, dry through the afternoon with sunshine. By 1 00 p. M. , low 80s. By 7 00 p. M. , back down to the low 80s. Beautiful evening coming up. Hackers tapping into your private information just by using the public wifi. Which places could really put your data at risk . News 4 midday back in a moment. Here at humana, we value sticking with things. When something works, people stick with it. More people stick with humana medicare advantage. Because we stick with them. Humana medicare advantage. The plan people stick with. Im eun yang. Someone robbed the td bank at 3100 wilson boulevard across from the metro station. The bank robber implied he had a gun but there are no injuries reported. The bank robber is still on the run. Well let you know if we learn more information about this robbery. Im eun yang at the live desk. A live look at i66 in fairfax county. Traffic is not so terrible there. But many of us know how congested it can be. Congested. Thats putting it lightly. Now vdot trying to change that with new smart signs and lanes. They go live at noon today. Kristin wright has what you can expect in your first 4 traffic. Within the hour, big changes are coming to i66 and it could mean a faster commute tonight. If a busy interstate can have a big day, today would be it for 66 in Northern Virginia. I hope so. I really do. Reporter within the hour, vdot will roll out a smart highway system. Its supposed to make things better for frustrated commuters between d. C. And gainesville. Its normally a mess. Usually congested. I have to leave much earlier than i normally do to get to my destination. Reporter its information in real time. You will see new electronic signs overhead. Green arrows mean the lane is open. Yellow, time to merge. Well before an accident ahead. The red x, shoulder lanes will be open more often based on Traffic Volume rather than simply time of day. Theyre going to be able to manage those lanes more closely through cameras that we have throughout the corridor. Reporter for now its wait and see for commuters on 66. Maybe its great to slow down the traffic. Reporter vdot says the new smart system will make things safer for everybody on 66. In Northern Virginia, kristin wright, news 4. Sunglasses, sun block, high September Sun jumping into the sky. With it so dry its warmed up quickly. Temperatures now mid 70s in washington. Mid to upper 70s around the bay. In virginia, much of the Shenandoah Valley, generally in the low 70s. Low humidity throughout the region. Temperatures climbing up to the 80s. The warm dry pattern continues thursday, friday and into saturday with highs in the upper 80s. Then a change moves in on sunday with cooler temperatures and just a few clouds coming through. Low 80s, then high 70s on monday. As we welcome pope francis on tuesday, should be partly cloudy, a small chance of a shower on tuesday with highs in the 70s. A new warning this morning for those of who use public wifi. If you do log on at a restaurant or airport or somewhere like that, you could be at risk of your identity being stolen. Tom costello tells us about the most malicious hot spots. Reporter you touchdown in a new city and the first thing many of us do, look for a wifi network and log on. But beware, thats what cybercrooks are hoping well do. Your videos, your Social Security number, your insurance information, your credit card information. Mobile payment. Theyre off that informationinf reporter skycure just released a list of top Tourist Attractions surrounded by malicious cybernetworks. First up is times square. In a twoblock area you have ten suspicious wifi. One big warning sign is the word free. If you see free wifi advertised, be wary. We asked tourists in times square how they pick a wifi. Im not too picky. I choose one, if it works, whew. If im desperate, i would risk it. Reporter to prove how easily hackers can gain access to phones, mine was hacked in less than a minute. I have access to your password to your bank information, i have access to your email. You can see all of this . Can i see all of that. Reporter 92 of people who use free wifi never read the disclaimer which sometimes clearly states the network will access your personal information. On the list of tourist sites surrounded by risky wifi we werent surprised to find the hollywood walk of fame. Everywhere i go im searching for wifi to be with my friends. Reporter also on the list, the areas surrounding Notre Dame Cathedral in paris. Major theme parks in california and florida Golden Gate Park in san francisco. And the vegas strip. But this one was a surprise just outside vatican city in rome. Around the vatican you have six suspicious sites. Youre not saying the vatican is suspicious. Thats right. When people go, they stay about 30 minutes around the tourist destinations. Hackers know it. Reporter just because the network is suspicious doesnt mean its malicious. But it may be worth avoiding. The safest way not to get sick is not to shake hands with sick people. That was tom costello reporting. Cyberexpert says keep your operating system up to date. Breaking her silence. In 60 seconds what the survivor of that i was very quiet. I dont know whether he tried to fire off a couple more rounds. I was just concentrating on being so still so that he wouldnt shoot me again. The survivor of the ambush near roanoke virginia last night is opening up about the terrifying moments. Vicki gardner sat down with fox news. Gardner was shot while in the middle of a live interview with Alison Parker and adam ward three weeks ago. She said she saw someone standing by the journalists, but didnt realize what was happening until the gunfire started. Gardner dropped to the ground and played dead. Thats when flanagan shot her in the back. She said shes revisited that decision over and over again. It will be the thought that goes through, you know, did i read this i felt thankfully i felt like i read it well enough that i dropped. Had i continued to stand, i would not be here talking to you. Gardner is the executive director of the Smith Mountain lake chamber of commerce. She said she has not returned to that place where the shooting happened. You may soon be paying more to ship packages if you use fedex. Fedex is raising shipping rates for most packages by about 5 . The new rates will go into effect in january. U. P. S. Has not made a move to increases prices for now. This year both companies started charging to ship boxes based on size and weight. Well, want better vision . Why you may want to step out into the sunshine. Todays weather emoji is in love, has a crush on todays weather. Sunshine, low humidity. All around the region temperatures this afternoon will reach the 80s. Mid to upper 80s, thats about ten degrees above our average high for this time of year. Its sort of like augustlike temperatures. Low to mid 80s much of the Shenandoah Valley and Chesapeake Bay. Bright sunshine, north and west of washington. Out of the mountains should be reaching the low 80s, bright and sunny there. Low humidity around. Enjo enjoy. That sunshine could be good for your eye health. Eye health and playing outside go hand in hand when it comes to your kids. A new Study Suggests making them play outside could help them prevent near sightedness. Researchers in china looked at kids over three years. 40 of kids who played outside had developed who did not play outside developed myopia. Thats compared to kids who got extra activity. The cdc says one in three American Children get a good chunk of their calories every day from fast foo researchers tracked down about 3,000 children. They watched them all, age 2 to 19 for a couple of years. The cdc says findings are not significantly different from similar studies that were done in the 90s. Right now, a busy street starts to buckle and a nearby hospital takes a hit. We are tracking a water main break in a very inconvenient location. And a desperate search, cars and homes washed away by floodwaters that seem to come out of nowhere. Thats next. Right now crews are still working to fix a busted water main in northwest. It burst in front of sibley hospital this morning. Crews shut down the road. The hospital says it is business as usual there. Were working to find out when the road will reopen. We know the name of a man shot and killed in anne arundel county. Shannon blair jr. Died on elliott drive last night. His death was ruled a homicide. Originally police were not sure how blair died. Blair was not from the community where he was found. The retrial of a former Prince Georges CountyHigh School Teacher accused of sexually abusing a student will start today. Andre browns trial ended with a hung jury, that was back in march. Brown worked as a special Education Teacher and coach at High Point High School in beltsville. Police say brown sexually abused a 17yearold girl on school grounds. The 1,000 mile walk is over, now its time to try to convince congress to change policy. Earlier this morning the hundreds of people who participated in the naacps journey for justice rallied on capitol hill. They want lawmakers to promote policies for equal voting right. The walk started in selma, alabama and it ended yesterday afternoon when they crossed the memorial bridge. Hundreds of migrants are stranded near serbias border. That border is now closed. Many migrants who streamed into austria from hungary are trying to make it to germany on foot. Now to new developments in the Charleston Church massacre.