Al-Jazeera Video: Questions remain about Gaddafi's death

"Speculation is rife about the precise manner of Muammar Gaddafi's death.

Libyan leaders say he was killed in a crossfire after fighters found him hiding in a tunnel.
But footage shows him alive after his capture, only to be pronounced dead a short time later.

Al Jazeera's Tony Birtley reports from the scene of his death just outside of Sirte."