March 14, 2018 11:50 am National Walkout: Standley Middle School Students at Standley Middle School in University City participated in the National School Walkout on the heels of a threat of violence at the campus. NBC 7’s Audra Stafford 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