Evacuation orders and warnings have gone out to 20,000 Southern California residents Tuesday as firefighters battled a wind-driven wildfire in Malibu that burned near celebrities' seaside mansions, horse farms and Pepperdine University, the sheriff's department said. The flames burned near seaside mansions and Pepperdine University, where students sheltering at the school’s library on Monday night watched as the blaze intensified. Officials on Tuesday said a “minimal number” of homes burned, but the exact amount wasn’t immediately known. It was not immediately known how the blaze, named the Franklin Fire, started. It tore through part of Malibu, a community of about 10,000 people on the western edge of Los Angeles renowned for its stunning scenery of seaside bluffs and Zuma Beach featured in Hollywood films.