Greece's defence minister says the missing Egyptair flight en route from Paris to Cairo made sharp turns before crashing into the Mediterranean.
The Airbus A320 suddenly turned sharp left and then made a 360 degree move right before plungeing, according to Panos Kammenos.
Egyptian officials say a terror attack is more likely than a technical failure.
66 people were on board when the plane went missing in Egyptian airspace.
UK Prime Minister David Cameron says he's not yet ready to conclude what caused the incident.
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