Cairo - Leaked flight data showing trouble in the cockpit and smoke in a plane lavatory are bringing into focus the chaotic final moments of EgyptAir Flight 804, including a three-minute period before contact was lost as alarms on the Airbus 320 screeched one after another.

Officials caution it’s still too early to say what happened to the aircraft — France’s foreign minister said Saturday that “all the hypotheses are being examined” — but mounting evidence points to a sudden, dramatic catastrophe that led to its crash into the eastern Mediterranean early Thursday.

The Egyptian military on Saturday released the first images of aircraft debris plucked from the sea, including personal items and damaged seats. Egypt is leading a multi-nation effort to search for the plane’s black boxes — the flight data and cockpit voice recorders — and other clues that could help explain its sudden plunge into the sea.

“If they lost the aircraft within three minutes that’s very, very quick,” said aviation security expert Philip Baum. “They were dealing with an extremely serious incident.”... Read More: VIN