October 21, 2014 11:58 am Water Main Causes Sinkhole, Shuts Hospital Buildings Water spewed early Tuesday morning in Potrero Hill near San Francisco General Hospital after a water line broke and caused a two-foot sinkhole. Stephanie Chuang 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