Oakland 6 hours ago Oakland police search for missing mother and son The Oakland Police Department is asking for help in finding a missing mother and son. US & World Videos 0:26 Man killed after he was struck by vehicle at Berkeley Aquatic Park 1:12 Watch: Oakland Mayor Sheng Thao believes anti-crime efforts are working Man killed after he was struck by vehicle at Berkeley Aquatic Park 0:46 BART adds early trains to Cal game for ESPN's College GameDay 3:26 Vianey's forecast: Heat wave persists