April 15, 2015 5:15 pm School Canceled After Break-In, Arson Classes at Clairemont High School were canceled after a break-in on campus followed by a fire that officials believe was deliberately set in a chemistry lab. NBC 7’s Liberty Zabala reports. 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