September 26, 2016 6:42 pm Cause of Wilmington Fire That Killed Two Firefighters Still Unknown Residents are left with many questions after two Wilmington firefighters died in a house fire Saturday morning. The cause of the fire is still unknown. US & World Videos 0:35 Fans of ‘The Office' got to see some of the stars at Fan Expo Philadelphia on Saturday 2:32 Rainy, chilly weather didn't stop many from enjoying festivals throughout Philadelphia 0:29 Driver found safe after carjacking in Delaware 2:23 Teen killed in quadruple shooting in North Philadelphia on Saturday evening 0:39 Teen shot near church in West Philly, two in custody
