San Mateo County March 26, 2021 6:00 pm Mountain Lion May Have Attacked Dog Near Portola Valley The San Mateo County Sheriff’s Office is notifying the public about a possible mountain lion attack involving a dog that was reported Thursday evening. US & World Videos 2:31 Large crowd expected at Skrillex, Fred Again show in downtown San Francisco 5:55 Speaking with San Jose's mayor about how the city plans to address its budget shortfall 4:13 Elementary school children exposed to chemicals in San Bruno 0:39 San Francisco's popular crosstown trail adds new route 0:25 Stanford study reveals staying up late impacts mental health