Like today in San Francisco. Thousands of people marching for immigrant workers rights took over market street. vicki many of the demonstrators speaking out against the Trump Administration immigration policies. grant kron4s Maureen Kelly was in the thick of the march today. Which she describes as loud but peaceful. The traditionally loud and colorful may day parade celebrating International Workers day was especially passionate today. Many chanting and carrying signs targeting the Trump Administrations policy on immigration. Heres a banner reading sanctuary for all. Many carried signs reading no ban no wall. 78 year old Gloria Hernandez used a walker on her march. Holding a sign saying ice. Or immigration and Customs Enforcement. Doesnt belong here. I honestly believe that this is the worst thing thats going on with our country right now and ive seen a distraction and the remorse the fearfulness we cant let this happen again we have got to resistone half of this couple is wearing a traditional latin american costume, the other draped in the american flag. We have to support her people especially the work girls the immigrants that work in the fields those people they need a lot of support because without them were not gonna have foodmany of the people wore shirts reading a day without immigrants. And many of those here took the day off their job to not only protest. But to celebrate. Were celebrating the hands that raise peoples childrens that cleans peoples homes that cleaning Office Buildings that make us Beautiful Hotel rooms look crus were celebrating the contributions of workers and workers working families here in San Francisco. Today is a celebration of what immigrants bring. Unlike other recent protests involving the current president i saw no counter protestors or angry clashes. And by late this afternoon there were no reported arrests. Maureen kelly kron4 news. grant heres a quick look at some of the other may day protests happening around the world. This is video from new york citys bryant park. At least a dozen people were taken into custody during another protest outside of Jp Morgan Chase in manhattan. Police say protesters were arrested for unspecified civil disobedience violations. grant in los angeles, more than over 100 thousand protesters marched from Macarthur Park to las city hall. Organizers say they had been coordinating for months with police to ensure that the event is peaceful. vicki in france as polls show a tightening president ial race anger boiled over at a may day rally. Police firing tear gas, as they face off with protesters. At one point, officers had to dodge molotov cocktails. Some protesters held signs opposing far right candidate marine le pen. In germany 100 people were arrested during violent protests. vicki we will continue to follow todays may day protests on air and online. Youll get a look at some of the other protests happening around the bay area on kron four dot com. And be sure to download the kron four mobile app to always stay up to date on breaking news. grant breaking grant grant breaking news out of San Franciscos sunset district. Where a teenager was shot and killed while driving down sunset boulevard. And the shooter has not been caught. It happened this afternoon near kirkham street. Officers say the victim a 15yearold boy was taken to the hospital where he was pronounced dead. Police have not released a suspect description. Anyone with informatin is asked to call police. grant and we are also following two breaking news stories out of texas. Dallas Police Say One person shot a neighbor. And then opened fire on the paramedic trying to help the victim. Both the injured paramedic and the victim. Are in the intensive care unit at a local hospital. Officers say incident was the result of a dispute between the two neighbors. A police robot searched a nearby home and found the suspect dead after reportedly shooting himself. A second dead person was found in the same home. grant and in austin, texas. A stabbing at the university of texas campus leaves one person dead and three other students injured. The suspect who has now been identified as kendrex white, a ut student is in police custody. The other victims have all been taken to a local hospital with serious injuries. At this time police do not have a motive. vicki another big story we are following tonight. Bart Officials Say they have made a second arrest in connection to the mob attack that happened late last month. This is the second juvenile suspect now in custody. Police continue to use Surveillance Footage to identify and search for up to sixty young suspects involved in the attack. The mob stormed a train at the coliseum bart station and robbed at least seven passengers and injured two in the process. The agency that was in charge of installing cameras on all train cars. Revealed some cameras on trains are decoys. vicki a long legal dispute between the city of San Francisco and two short Term Rental Companies has finally been settled. grant Catherine Heenan is here with details on the agreement reached with airbnb and home away. catherine this ends a lawsuit filed by airbnb and rival company home away. Theyd argued San Francisco came down on them way too hard including big fines and lots of red tape when it came to registering with the city. Not much of that has changed but the settlement at least makes it easier to register. Hosts can now do that right on the web sites of airbnb and home away. One of the big problems has been the fact that relatively few Vacation Rental hostshave actually registered. San franciscos City Attorney says thats going to change. The city has long argued that Vacation Rentals siphon off precious housing units. By givinglandlords an incentive to turn permanent housing into profitable illegal hotels. City law meantime, still limits the number of days a unit can be rented. Also more than one listing by an owner is not allowed. Grant and vicki . vicki vicki the hidden horror of School Sex Assaults revealed. Next we did deeper into the staggering numbers of sex assaults that have occured at middle schools and high schools all across the us. grant then, a pool party in Southern California turns deadly. Why police say the gunman opened fire. vicki and next, a look at some of the may day marches happening right now in the south bay. A live report right after the break. brittney im chief meteorologist Brittney Shipp, ill have your full bay area forecast after the break. vicki to the south bay now where may day demonstrations were held in several communities including mountain view, morgan hill and in san jose. grant may day marches and rallies continue at this hour. At story and king on the east side of town and in downtown san jose. Thats where we find kron fours rob fladeboe who joins us now with a live report. Rob . rob live im here at the arena green across from the sap center which is the destination of a may day march that began some three miles from here at the mexican Heritage Plaza on the east side of highway 101. The collective may day message at this rally centers around unity, resistance and defiance and there was no doubt that message was aimed at President Donald Trump and his policies on immigration. Ben field south bay labor councilunfortunately the Trump Administration has chosen to attack many of the families in our community and so we are resisting those efforts. We want to make sure those immigrants feel welcome and we will resist these illegal attacks on our families. There was nowhere near the 10,000 people organizers were expecting and far from the 100,000 that turned out in san jose on may day back in 2006. But this years gathering was a unique coalition of labor, immigrants, womens Rights Groups , l. G. B. T. Activists and others. Jon pedigo diocese of san jose there is a lot of division in our society right now, a lot of brokenness so this is about building bridges between our different communities. Samina sundas american muslim voice the message is about unity, about love, about supporting each other and not condemning immigrants and muslims,, dilza gonzales parent i am marching for my people, i am marching for those who are trying to make a living and trying to be respected. History teaches us that america is made up of immigrants who have come here and changed their lives for the better. Its the american dream. rob live in a symbolic gesture aimed at the president s proposed wall on the border with mexico, these marchers have been erecting and then knocking down a mock wall at several locations as they made their way here and then used those same props to erect a bridge here in the park to symbolize their message what america should be doing is building bridges not walls. Live in san jose rob fladeboe kron 4 news grant snow in the sierra is helping to end the states five year drought. Just a few hours ago. Water officials did a final snow measurement for the season. As the temperatures heat up, that snow will melt, filling local rivers and streams. But officials warn that it may lead to flooding as it melts. That could put pressure on infrastructure, including the damaged dam at lake oroville. The snowpack holds about 30 percent of the states water supply. Expect the merced river in Yosemite National park to go about a foot over its banks on wednesday. vicki as the warm weather melts the snow in the sierra nevada. Forecasters expect at least one California River to hit flood stages this week. The merced river in Yosemite National park is expected to rise about a foot over its banks on wednesday. The wet winter brought a record amount of snow to the sierra. The National Weather service says Northern California usually doesnt see temperatures this high until early july. Forcasters warn that rivers may run extra fast this year. anchor time now to check on our weather. With chief meterologist Brittney Shipp. Clear and warm weather will continue the rest of today through tuesday. Cooling arrives along the big sur coast wednesday while hot and dry weather will persist inland. Modest cooling trend arrives all areas by thursday as coastal stratus returns. Cooling trend continues friday into saturday when a slight chance of showers is forecast as an upper low approaches the region. grant happening now. Dozens of firefighters are working quickly to put out a fastmoving wildfire that is threatening homes in riverside county. The fire was first reported yesterday afternoon and has spread to more than 13 hundred acres. The fire is now 75percent contained. Dry brush and strong winds are helping speed up the wildfire. At this time 15 homes remained threatened. vicki a new report says a large number of Young Students are sexually assaulted by other students. grant and many more cases likely go unreported. Catherine heenan is here with details of a report from the associated press. catherine over a fouryear period the ap report says theres been roughly 17thousandreports of Sexual Assault at american schools. They looked at kindergarten through 12th grades. What makes this review particularly troubling. It found that thereare no National Requirements to track or disclose sexual violence. And schoolsfeel pressure to hide the problem. The assaults all happened on School Property or at School Sponsored events. Researchers say the number of Sexual Assaults could be much higher because of missing data and government oversight. Contrary to Public Perception they say assaults by peers was a far biggerproblem than those by teachers. vicki coming up, a chaotic scene after passengers on board a russian flight carrier were aliterally thrown around. Now several people are left with broken bones and head injures. A look at what happened. grant but first, millions of gallons of sewage water dumped into a popular Northern California lake. What you need to know before jumping in the water. , 8drw vicki a disturbing discovery. Millions of gallons of sewage dumped in lake berryesse and a nearby creek. grant doug johnson shows us what happened. Its the type of news no one wants to hear. Susan cardello oh thats gross, we were just in the lake. Millions of gallons of sewage water leaking into Lake Berryessa. And nearby putah creek. Steve quist ill stay on the shore, glad i didnt go swimming. Susan cardello i wish id known about it before i got in the lake. According to the sacramento bee, the problem started this fall and winter, when heavy rains filled up storage ponds used to treat wastewater. At a facility in the Lake Berryessa resort improvement district. Now that forced the district to spray wastewater on land, where then mixed with rainfall and flowed into putah creek and on to Lake Berryessa, according to the bee. Patrick carpenter someone has got some explaining to do lucy. Haha. The lake does supply Drinking Water for vacaville and vallejo. But county officials told the bee that the public was aanotaa at risk because water is treated for pathogens. Record rainfall this winter likely also help dilute wastewater that did get in. Koen van ronpay, davis youd think that theyd actually anticipate those kind of things yeah . People we spoke with at Lake Berryessa were furious a small Water District, which only serves about 160 homes, made such a huge mistake. Susan cardello whats going to happen . How are they going to fix it. So far the Central ValleyRegional Water control board has not announced any fines. The bee also reports ecoli levels next to putah creek were at seven times the level allowed by the board. That has fly fishers here today glad this is a catch and release creek. Steve quist yeah i dont want to be in there, doesnt sound good to me. vicki no one from the Water District or water control board has commented on the problem. grant a gunman opens fire on a pool party leaving several people injured. Where this happened and what police are now saying about the suspect next. vicki plus, the death toll rises from severe storms across the south and midwest. Well show you a closer look at the damage up ahead. grant and next, an update on the may day marches happening right now all across nation. This was the scene earlier in portland, oregon. The latest after the break. Hey allergy muddlers are you one sneeze away from being voted out of the carpool . Try zyrtec® its starts working hard at hour one and works twice as hard when you take it again the next day. Stick with zyrtec® and muddle no more®. Bang bang bangshots fired, suspect down vicki a barrage of Police Bullets ends a deadly shooting rampage in san diego. Tonight we are learning new details about the gunman who shot seven people at a pool party in san diego before he was killed by officers grant one of his victims died, two others are in critical condition. Catherine heenan is here with more on the man who turned an Afternoon Pool Party into a scene of tragedy. catherine witnesses say 49 year old peter selis sat in a lawn chair with a beer in one hand and a pistol in the other. And opened fire on a group of friends celebrating at a poolside Birthday Party at the apartment complex where he lived. Selis does live in the complex and he entered the complex and lay on a lounge chair. Griffin, witnessed shooting he was very docile, in his facial expression there was no smiling, laughing, talking for that matter. He did kind of, im not gonna say stare at our party but he looked over at our party multiple times. No one knew him but one of my friends who actually got hit multiple times saw him sitting there so he went over there and offered him food, drink, whatever. Said hey. Introduced himself. Said this is my party, youre welcome to hang out. Can i get you something. Natthat is when the shooter opened fire, striking the host and one other person,neighbors used their phones to record the scene as police responded. Rp heard five or six gunshots and now people are screaming. More nat suspect is reloading his gun in the pool area. Hes sitting in a lawn chair, telling people to leave. Police say selis was despondent over a breakup with his girlfriend a few days earlier. And called her after he began his shooting rampage. Selis told his ex girlfriend that he had just shot two people and that police had arrved on the scene. Selis stayed on the phone talking to his ex girlfield as he continued to fire his weapon. According to police, four women and three men were shot, one man broke his arm as he tried to run from the scene. Selis is white. All his victims were africanamerican or hispanic. San diegos police chief says they were appearently chosen at random there is zero information to indicate race played a role, again, one victim dead, two in critical condition.