March 25, 2014 4:22 pm Fake Grenade Found at School A student brought a fake grenade to Whitman Elementary School in Clairemont, prompting an investigation by officials who later determined it posed no threat. NBC 7’s Liberty Zabala shares details. 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