September 4, 2017 11:20 pm SF Emergency Services Caught Off Guard By Record Heat The severity of the weekend heat wave caught San Francisco emergency crews off guard, NBC Bay Area’s Investigative Unit has learned. 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