July 30, 2013 12:14 am House Explosion Investigation Investigators will be back at the site of the South Philadelphia house explosion to try and figure out what went wrong. NBC10’s George Spencer reports. US & World Videos 0:20 Teen girl shot in Southwest Philly, suspect in custody 0:27 FBI inspects American Airlines plane at PHL after bomb threat 1:40 Penn officials urging pro-Palestinian protesters to pack up and leave campus 2:17 Clear the Shelters: Meet Tails 0:38 Jury says Philly owes $16 million for wrongfully convicted man
