July 3, 2012 8:10 pm Arson Investigation in San Francisco Officials are investigating burned out buildings in San Francisco’s Bayview District. The four-alarm blaze broke out early Tuesday. At least two have been arrested in connection with arson. US & World Videos 4:18 Peninsula bakery getting rid of tips 3:45 Preview: Firefighter uniform safety investigation 2:50 A closer look: College campus pro-Palestinian protests 2:36 In the news: Self-checkout proposal, WNBA Golden State GM, warmer temps ahead 2:37 New California bill could force stores to close self-checkout