The EgyptAir flight that crashed in the Mediterranean may have been on fire

Long-awaited audio from one of the "black box" flight recorders recovered from the EgyptAir flight that crashed on May 19 reveals there may have been a fire onboard the aircraft before cutting out, the investigation committee said on Saturday.

The Airbus A320 plunged into the eastern Mediterranean en route from Paris to Cairo, killing all 66 people onboard. The cause of the crash has remained a mystery, and initial theories have mentioned a possible act of terrorism among other possible events.

Earlier analyses of existing flight data indicated there was smoke in the bathroom and the area directly below the cockpit. Recovered wreckage from the jet's front section showed signs of high temperature damage and soot.

Sources from the investigative committee told Reuters that audio from the flight deck voice recorder suggested efforts to extinguish the fire before it crashed.

The committee said on Saturday it was still "too early to determine the reason or the place where that fire occurred."

The committee also said the John Lethbridge vessel, belonging to Mauritius-based Deep Ocean Search, had completed its search for human remains, which will now be transferred to Cairo for DNA analysis.