June 11, 2009 6:58 am Teens Arrested in Dry-Ice Blast at School Two high school students have been arrested on suspicion of setting off a small explosion with dry ice on their San Diego campus. US & World Videos 2:32 How water pollution is changing how Imperial Beach lifeguards protect people 2:56 Pro-Palestinian protesters move to downtown jail 3:03 San Diego photographer remembers Callum Robinson, surfer found in Baja 2:41 Friends and family remember 3 surfers who disappeared in Mexico 2:47 Jewish community gathers for Holocaust commemoration in La Jolla