Donald trump will visit here in pennsylvania in scranton in the middle of the Democratic National convention. In philadelphia, jamie yuccas, kpix 5. Just in the last 10 minutes, police in the city of munich germany gave everyone a cautious all clear after gunmen opened fire at a shopping mall. Police think he acted alone and then killed himself. It happened at 6 p. M. Local time at olympia shopping mall. That prompted police to ask everyone to go home and stay inside. Cell phone video captured the moments outside a mcdonalds done. Veronica de la cruz watching the latest developments. Reporter the socalled cautious all clear comes more than 7 hours after a gunman opened fire on the crowded shopping mall. Authorities are now calling it an act of terrorism. Cell phone video shows a man touring on a street outside a Shopping Center in munich. People ran for safety some carrying children. As police searched for three gunmen who Authorities Say are still on the run. A gunman fired on shoppers before escaping to a nearby metro station. Security forces shut down the Transit System and some people are reportedly still hiding in shops. Authorities are trying to find the shooters responsible. President obama pledged americas support. Our hearts go out to those who may have been injured its still an active situation and germany is one of our closest allies. Reporter police warn people to avoid Public Places until they get the chaos under control. This is the Second Attack in germany in less than a week. On monday, a 17yearold refugee from afghanistan went on a rampage in a crane near munich attacking people with an axe and knife. Four people were wounded in that attack and police shot the attacker dead. Isis claimed responsibility for that. But authorities believe that that teenager acted alone. Thank you. People in a vacaville neighborhood to up and leave their homes at a moments notice because of a grass fire. The first flames started in the hills west of the grandview area. Firefighters used air retardant and thats did a lot to explode the spread. This is what drivers saw on 80 westbound. You can see the smoke rising in the air on the left side of your screen. The fire scorched about 57 acres. Firefighters fully contained the flames before they could affect any homes. In Southern California in santa clarita, this fire started about 2 p. M. And it grew fast. Its now 1500 acres. There are homes in the area but right now, they are not threatened. A memorial is getting under way for mario woods, the man who was shot and killed by San FranciscoPolice Officers last december. Kpix 5 reporter andria borba is at the bayview near where woods was shot. Reporter allen, thats set to start any minute now here in the bayview. Marios mother expected to be here in attendance for a service in honor of her son. Now, the memorial happening at the Cornerstone Church here in the bayview on what would have been his 27th birthday. Earlier this year, the board of supervisors unanimously passed a resolution declaring today mario woods day of remembrance. We have a community thats been working literally day and night to make sure that his remembrance is not taken lightly by the city. His memory needs to be recognized but even more importantly this day in itself is a starting point. A healing point. For the family, for the extended family, for the community. And even including the government. [ pause ] [ no narration ] that was andria borba reporting. The president of the San FranciscoPolice Officers association tells us its merely a coincidence that they decided to hold a Remembrance Day of their own the same day as mario woods memorial. Bagpipes played as chp, Oakland Police and the San Francisco police and Fire Departments paid tribute to their fallen comrades this morning. Those honored include the five dallas officers ambushed this month. San jose Police OfficerMichael Katherman and Hayward PoliceSergeant Scott lunger, who was shot and killed during a routine traffic stop one year ago today, were also honored. We want to make sure that the citizens of the bay area know that were out there protecting and serving. But they need to recognize this is a dangerous job especially after what happened in dallas and baton rouge. We pray that never happens here. Meanwhile, a fullpage ad in the chronicle is getting attention today. Four Law Enforcement unions paid 15 for it. It reads in part it is a day to honor all the brave men and women as well as all Public Safety workers in california and this nation who have made the ultimate sacrifice. Draymond green will not go to jail. The warriors star reached a plea deal on his assault charge. Officials say it has now been reduced to a noise violation. Tmz Video Shows Police arresting green earlier this month outside a bar in michigan. I was accused of slapping a Michigan State football player. Green must now pay a 500 fine and a 60 restitution fee and he cannot contact the victim for one year. We have some new numbers today about west nile virus. Its shaping up to be a bad year. Kpix 5s emily turner got the numbers and they took a lot of people by surprise. Emily. Reporter they did. You know, its already a bad year for the entire state. Here our season for mosquitos is just beginning. But were already seeing numbers pop in and you know what . Its concerning considering what else is happening in california. While much of the world worries about zika, bay area Vector Control says theres actually another mosquitoborne illness that californians should be more concerned about. West nile virus. There have been twice as many positive tests sampled than this same time last year. Right now its a typical year for us in terms of west nile virus. However, in california, there are some areas that where west nile virus is really quite active. Reporter so active, that 896 mosquito samples have tested positive for west nile in california so far this year. Last year, at this same time, only 497 samples tested positive. A Garden Supply owner says mosquito patrol is a major concern of his customers. Is this a top seller . Its a big seller now because of the concern about west nile virus. Reporter in marin where kevins business is, two dead birds have been reported with west nile virus this year. One each in alameda and solano counties. Four in contra costa county. Two in san mateo. And the most by far is in Santa Clara County with 38 dead birds. Vector control doesnt know why the state numbers are so high but says they and locals alike plan to be prepared. Absolutely id be concerned about it. And and i think everyone should be concerned and i think everyone should be aware, um, of it and and the potential danger there. Reporter one thing you do need to know about this is that so far, no human has gotten west nile this year. But just so youre aware of the symptoms it feels like the flu. If you think that maybe this is what you have, go to the doctor and get tested. Another thing thats important for you to know, preemptively always wear bug spray and do not keep any standing water around your house. If you see a pot or vase or anything filled with water, dump it out because thats a breeding ground for mosquitos. Live in marin county, emily turner, kpix 5. Parts of the bay area will definitely be feeling the heat this weekend. Lets get right over to kpix 5 chief meteorologist paul deanno. The 90s returned today close to 100 this weekend. But cooling up to 40 degrees of cooling. Not that far away. Well talk about it coming up. Plus, where bay area beach goers are being warned to watch out for sharks. Then the strange reason why people in colorado are being told not to drink the water or take a shower. And how shellfish helped inspire bay area scientists to create a new surgical tool that could save lives. ,,,,,,,, nearly c humpback wha talk about a close en counselor. Check out this new video. A kayaker in Half Moon Bay was nearly capsized by a breaching humpback whale over the weekend. According to the guy seen here, humpback surfaced three times right next to his kayak. Foreclose encounter this time in pacifica. And it was a shark. A few hours ago it was reported 80 yards off the shore of linda del mar beach. Because the cold weather and choppy waters, not many people are in the water. Still, police are asking beach goers to remain hypervigilant while in the water. We do get them from time to time. Dolphins and whales are a lot more common. If you do see a shark, report it to pacifica police. Coming up tonight at 6 00, a mystery on the beaches of monterey for the third year in a row. A green slime is coating the sand. We find out what it is and why it keeps coming back. Okay. Now the expression, must be something in the water . Well, for People Living southeast of denver, colorado, it was thc the active ingredient in marijuana showing up in their tap water. It was no accident. Barry peterson says the fbi is involved. When we have a presumptive positive of thc in our public water we take that seriously and we are going to investigate that until the end. Reporter police say the substance may have been introduced into the system at one of the towns five water wells. If so it was done on purpose. There were signs of tamper forced entry into what would have been the raw water supply. Reporter the presence of thc was discovered by a company that conduct routine employee drug tests. But the results are far from definitive. And samples are on the way to state labs. Still, its cause for big concern in this small town of more than 700 people. I was in the grocery store. I was in there about 10 minutes and in that amount of time, people bought all the water. This causes a real concern because if it happens in hugo, colorado it can happen anyplace. Reporter colorado law permits the legal sale of medical and recreational marijuana. But counties can decide whether or not to allow it. Hugo part of Lincoln County does not contain any commercial pot sale operations. But people can grow restricted amounts at home. For the moment, authorities are simply not sure what happened. Townspeople start getting bottled water this morning. And experts say that the substance whatever it is will be flushed out of the system by the weekend. Barry petersen, cbs news, denver. Pot is not soluble in water. No illnesses have been report. This just in. Hillary clinton has selected her pick for vicepresident ial running mate that is tim kaine. The senator from virginia. Were told that he is fluent in spanish, Hillary Clinton choosing to send that announcement out on her twitter account. She has been in florida today. Tampa and orlando. Her pick tim kaine from virginia will join her tomorrow in florida at a rally at Florida International university. But again, Hillary Clinton has picked senator tim kaine of virginia as her running made. A former leader of the kkk is throwing his hat into the ring for u. S. Senate. David duke will compete with nearly 2 dozen other candidates for the position in louisiana. Duke is a registered republican. He is a former state representative who later had unsuccessful runs for congress and for governor. Duke spent a year in federal prison for bilking supporters and cheating on his taxes. The chairman of the Republican Party of louisiana calls him a, quote, hatefilled fraud and says the party will work to keep him out of office. Actress leslie jones says she wont be scared off of twitter. Jones received a number of racist and sexist tweets about her role in the remake of the ghostbusters movie. Jones said she briefly did sign off twitter to disengage. Viktor yanukovych was accused of orange Milo Yiannopoulos was accused of orchestrating the attacks against her. He has been banned from twitter. Chief trips to asia this fall. For example, fares from sfo to tokyo are coming in at 400 roundtrip on air china. Other destinations include seoul and shanghai. But beware, the layovers can be lengthy. On other airlines a nonstop flight is in the 500 range which is still lower than usual. Google can help you get a picture of the cheapest days to fly. New warning if you have an iphone in your pocket or macbook on your desk, could be a hackers next target. The devices are apparently vulnerable through apps such as i want message that can receive malicious images. Whats the best way to stay safe . Be sure your mac and the ios devices are running the latest versions of their operating systems. From monet to frank lloyd wright, many artists create works that are inspired by nature. Well heres a new one. A surgical glue that may save the lives of some of our most vulnerable patients. This is our [ indiscernible ] reporter inside the kitchen at the french bistro. We do mussels so many ways, thats our number one food. Reporter its more than just a meal. It was very surprising. It was a wonderful insight. Reporter the shellfish have inspired bioengineers at uc berkeley to design a new kind of glue. One that will stick and stay stuck. Completely under water. And thats going to help these babies in utero. Its really exciting to think that we might have an opportunity to improve lives or even save lives. With fetal surgery doctors operate through the uterus to perform a lifesaving procedure on the baby. But afterwards, the incision can spring a leak of amniotic fluid and that can trigger prematurely labor. Dr. Michael harrison pioneered it at ucsf. This is a totally unsolved problem. Reporter to date, no medical adhesive exists to reliably seal the incision. Enter professor phillip messerschmitt of cal and his research team. He noticed how mussels can glue themselves to a surface and stay put even in pounding surf. Mussels have to be anchored on the surf to survive. Reporter it lays down a bissell thread. These threads or tethers are made out of a special recipe of proteins. Once in water, they anchor the muscle snugly into place using a kind of super glue. The amazing thing is it makes glue under water. Reporter they synthesized the protein and made an adhesive using a sausage casing cut in half they demonstrated how the mussels super glue works. Nature is the expert. And as engineers we look to nature to figure out how we can take the things that nature has already perfected and use them in the human world to solve really important challenges. Reporter the glue needs fda approval before it is used in fetal surgery but the inspiration is already inspiring these medical doctors and students. To look and see that it exists in nature, i mean, thats such a perfect way to solve the problem. Makes me wonder all these other creatures that i dont think twice about, what could that be 10 years from now, 20 years from now . Reporter as for the executive chef at plouffe. Im going back out there. These are very important. These could save peoples lives. Of course, if you can deliver an infant closer to toerge the baby will have fewer Health Complications closer to term and lower healthcare costs. This research was funded by the National Institutes of health. [ music ] most parts of the country youre stuck with the weather that you have. Im chief meteorologist paul deanno here to tell you that you, my friends in the bay area, are not stuck. If you want 60, we have that. If you want near 100, we have that, too. Well talk about how long coming up. Coming up, all new at 6 00 tonight, its meant to help you speed through security. The signing up for this popular Precheck Program has been anything but smooth. How bay area travelers are getting caught off guard. , ster and the microclimates have woken up. Here we go. 64 in california and sunshine. That same gorgeous california sunshine is in livermore, concord and santa rosa but it is 30 to 35 degrees warmer away from the water. 90s there. Oakland 73. San jose 83 and sunshine. Overnight tonight temperatures in the 50s. A little milder than the past couple nights. San jose dropping to 58 because youre warmer today. Consumer report 59. Oakland 56. Redwood city 57. Weekend time its friday. California state fair the final weekend for it if you want to drive 90 miles over to sacramento. Sunny and hot. 99 degrees there. But what a nice fair they put out for a couple of weeks in sacramento. Stern grove festival. If you want to hang out in San Francisco and cool off thats a good place to do it. Early sunday afternoon in the city, at stern grove, 63 degrees for your musical pleasure coming up this weekend. Why are we seeing such a wide temperature spread . We have Different Levels of an onshore flow. We had a moderate to strong one which pushed inland and everybody was running five to 10 degrees below average. A different version of the onshore flow is weaker. It doesnt make a difference at ocean beach or marin county at the coastline. A weaker onshore flow doesnt make it inland. Its going to be warmer to hotter anywhere away from our beautiful water here. So well be warmer in wine country and highs pushing 95 to 99 degrees. We have a big ridge of High Pressure centered to the south. The clockwise flow around it is promoting the light onshore flow but it will minimize the strength of the onshore flow. We could be above average for 7 to 10 days depending on the longrange forecast. Futurecast our short range forecast shows sunshine across the board tomorrow. Yes, we are going to have that big temperature swing but everybody gets to enjoy nice saturday sunshine. What you can expect clear tonight with fog at the coast sunshine this weekend milder weather if you head anywhere near the water. What do i mean by that . San francisco high of 72.