July 25, 2016 6:35 am Air Tanker Fights Sand Fire An air tanker drops fire retardant on homes threatened by the Sand Fire as firefighters continue to battle the Sand Fire on Monday, July 25, 2016. US & World Videos 3:03 USC security changes after encampment removal 3:14 USC prepares for graduation after encampment removal 1:57 Hazmat team responds after two people are found dead in Northridge 1:04 Homeboy Industries founder Father Gregory Boyle receives nation's highest honor 5:46 NewsConference: Why the political silence during the campus chaos?