Libyan TV airs 'Gaddafi Tripoli motorcade video'

Libyan TV has aired footage it says shows Col Gaddafi in Tripoli, reportedly filmed while the city was under Nato air attack.

The man, who state TV says is Col Gaddafi, was seen punching his fists in the air and waving from an open-topped vehicle.

The BBC's Jon Sopel describes the footage.