December 15, 2015 11:20 am LAUSD Threat Prompts Scare Across Country All Los Angeles Unified School District schools were shuttered and all students at school were sent home on Monday after email threat. In the Bay Area, San Francisco police decided to step up patrols. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit 1:42 Hundreds of Golden Retrievers Walk a Mile for the Official Boston Marathon Dog 1:51 Typewriter Shop Owner Receives Gift From Tom Hanks