A Qatar Airways flight from Doha to Nigeria landed safely today after the pilot discovered a problem with the aircraft’s landing gear, authorities said.

Emergency workers in Nigeria fought fires and searched for bodies through the night after an airliner crashed, killing all 153 on board.

US Homeland Security Secretary Janet Napolitano conceded today that the aviation security system failed when a man on a watchlist with a powerful explosive hidden on his body was allowed to board a fight from Amsterdam to Detroit.