Investigators used evidence from reconstruction and information from the airbag control module (also referred to as the car's "black box").
A cargo plane operated by a Ukrainian airline crashed near the city of Kavala in northern Greece, as residents reported seeing a fireball and hearing explosions for two hours after the crash.
The flag carrier airline from Yemen is being tried in Paris over the injuries of a then-12-year-old girl and the deaths of 65 French citizens.
The crash occurred in February. The school bus was carrying 23 children at the time, according to police.