Commercial airline pilot and YouTuber Captain Steve, who analyzes plane crashes and close calls, gave his theory on the incident which killed 241 people on board.

From issues with the wing flaps, a bird strike or pilot error – the possible causes of the disaster are numerous and complex

Experts told the BBC that a flap issue, engine failure or a bird strike are among the possible causes of the crash.

Experts suspect take-off misconfiguration or the flaps being raised instead of the landing gear could have led to the deadly accident.

Investigations are being stepped up following yesterday's tragedy that killed hundreds of people aboard the London Gatwick-bound aircraft.

Commercial airline pilot and YouTuber Captain Steve, who analyzes plane crashes and close calls, gave his theory on the incident which killed 241 people on board.