21.   Investigators are trying to discover if a bomb, missile or a massive mechanical breakdown caused the plane to explode in a fireball and crash.

22.   Mechanical breakdowns had left him without engine or electrical power.

23.   Officials are trying to discover if a bomb, missile or a massive mechanical breakdown caused the plane to explode in a fireball and crash.

24.   Some of the drivers raised the bonnets of their cars feigning mechanical breakdown, lighting distress lights and placing a warning triangle behind the vehicles.

25.   Some drivers raised the bonnets of their cars feigning mechanical breakdown, flashing emergency lights and placing a warning triangle behind the vehicles.