In other clips, he can also be heard pleading for mercy and demanding to know what he had done wrong while enduring a series of crunching blows to his face and head.

One particularly horrific clip appeared to show a knife being repeatedly inserted into his backside while he was standing up.

In his final breaths, the bloodied dictator was taunted with a pistol before a single shot rang out followed by silence.

Gaddafi was said to have been executed by his own personal golden gun which was held up in celebration by jubilant rebels and became a symbol of their victory.

Mohammed al-Bibi, who was pictured in a baseball cap brandishing the weapon at the time, today insists he did not fire the fatal shot.