May 17, 2016 7:55 am Trolley Service Resumes in South Bay After some problems with signal crossings and consequent delays, trolley service has resumed in the South Bay. NBC 7’s Chris Chan reports from Chula Vista. 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