November 20, 2014 12:55 pm Classes Resume After Threats at Mira Costa High School School administrators ordered heightened security at Manhattan Beach’s Mira Costa High School Thursday, Nov. 20, 2014, due to threats that closed the school Tuesday and Wednesday. US & World Videos 2:42 Days before USC commencement, protesters still camped out on campus 0:34 Deadly crash damages church in South Los Angeles 1:42 Shooting investigation at DTLA warehouse 3:20 Encampment remains on USC 1:39 Bicyclist killed in hit-and-run
