Muammar Gaddafi has claimed his regime is still alive in Libya and has called his opponents' takeover of all but a few pockets of the country a charade.

Facing little resistance, revolutionary fighters captured the airport and other parts of a southern desert city that is one of the last remaining strongholds of Muammar Gaddafi's forces, even as military offensives stalled to the north.

Opposition groups in Sudan have cautiously welcomed a deal to try resolve Africa's longest-running civil war.