April 19, 2016 11:40 pm San Francisco to Increase Police Presence at ‘4/20' Event San Francisco city officials have announced increased security measures and road closures to deal with this year’s “4/20” celebration in Golden Gate Park. Pete Suratos 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