March 4, 2014 2:16 pm RAW VIDEO: Housing Development Explosion Emergency crews are on the scene of an explosion at a housing development in Ewing Township, N.J. A witness shot this video after he heard the explosion. US & World Videos 1:49 ‘We have to do better': Philly teen dedicates her Instagram to humanizing victims of gun violence 1:22 Video shows man walk up to ring doorbell with an apparent gun, police say 2:27 76ers team owners bought tickets to pack the Wells Fargo Center with Sixers fans 1:28 Neumann University students help Delco law enforcement to investigate crime cases 0:55 Former nursing home repurposed as new triage center for homelessness and addiction