Egyptian aviation investigators confirmed a black box recording from EgyptAir flight MS804 from Paris to Cairo that plunged into the Mediterranean on May 19 and killed all 66 people aboard showed smoke onboard, BBC News reported Wednesday. Automated electronic messages sent by the plane had shown that smoke detectors went off in a toilet and in the avionics area below the cockpit, minutes before the plane disappeared. The recorded data are consistent with those messages, investigators said. After the voice and data recorder black boxes were recovered from the crash site 3,000m (9,800 feet) below the water, neither device was operational and had to be sent to Paris for repairs. The flight...