October 30, 2012 1:46 am Man Struck, Killed by Tree A 62-year-old man is dead after police say he was struck by a tree that fell while he was standing on his back porch waiting outside for his dog. NBC10’s US & World Videos 25:15 WATCH: Mayor Cherelle Parker announces all city workers will return to office full-time this summer 1:55 Penn students graduate amid extra security after an academic year full of unrest 11:16 Another campus protest in Philly: The Lineup 0:47 What advice did Keith Jones give to Arcadia University's graduating class? ‘Be bold' 1:11 Cabrini University graduates final class with Kylie Kelce addressing commencement