August 2, 2011 11:04 pm City Works to Combat Teen Mobs Philadelphia’s top law enforcement and city officials came together Tuesday night to discuss ways to stop mobs of youths that have been terrorizing Center City. US & World Videos 11:47 Man hopes to bring emotional support alligator back home: The Lineup 1:21 SEPTA shares final bus revolution proposal 0:20 Girl, 16, shot in face in North Philadelphia 0:10 Overnight shooting in Delco town 2:02 Suspected gunman surrenders after barricading self in Chester County home