June 21, 2009 7:40 am Some Students Detained in Swine Flu Scare Return Home A dozen Pacific Ridge School teachers and students have returned to San Diego after people they were traveling with tested positive for swine flu during a trip to China. 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