Toxic algae bloom believed to be cause of marine animal deaths along California coast

Sea lions, seals and dolphins are washing up dead or showing signs of sickness on the Southern California shoreline, and biologists say the likely cause is a toxic algae bloom. NBC News’ Steve Patterson shares what health officials are saying. » Subscribe to NBC News: » Watch more NBC video: NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging news stories. NBC News Digital features , , , Nightly News, Meet the Press, Dateline, and the existing apps and digital extensions of these respective properties. We deliver the best in breaking news, live video coverage, original journalism and segments from your favorite NBC News Shows. Connect with NBC News Online! NBC News App: Breaking News Alerts: Visit : Find NBC News on Facebook: Follow NBC News on Twitter: Get more of NBC News delivered to your inbox: #NBCNews #Algae #California