The engine of a UPS jet that exploded in a ball of fire at a Louisville airport fell off of the aircraft shortly after liftoff, with the plane rolling over and crashing moments later, officials said. “We have viewed airport CCTV security coverage, which shows the left engine detaching from the wing during the takeoff roll,” National Transportation Safety Board (NTSB) Member Todd Inman said at a Wednesday news conference. The footage reviewed by the NTSB has not been released, but clips