Footage has emerged which, it is alleged, shows anti-government demonstrators in Libya capturing a man believed to be a mercenary from Chad.
It is proof, so the protesters say, that recent reports are true and Muammar Gaddafi has resorted to outside help to keep his hold on power. It has not been possible to confirm the authenticity of the pictures.
Meanwhile, news agency images filmed on Thursday show youths who have taken over abandoned army tanks in the eastern coastal town of Tobruk. They are seen displaying seized weapons and repeating calls for Gaddafi to leave.