Libyan rebel forces have taken control over the capital city of Tripoli, earlier held by Muammar Gaddafi, while Gaddafi's son Saif al-Islam has been captured by rebel troops, senior rebel leaders said.

Abdullah Almayhop, a senior leader of the rebel National Transitional Council (NTC) said Gaddafi's eldest son Mohammed has also surrendered to the rebels, Xinhua reported.