Powerful explosions rocked Tripoli as Nato pressed its air war on Wednesday amid Libyan charges it has killed 718 civilians.
President Jacob Zuma has met Muammar Gaddafi for talks on ending the Libyan conflict, while Nato said Gaddafi’s "reign of terror" was nearing its end.
Libyan leader Muammar Gaddafi has become "increasingly paranoid", spending each night in a different hospital, and laying minefields around Misrata.
France and Britain have added gunships to the force being brought to bear against Gaddafi, as Nato unleashed a bombing blitz on Libya’s capital.
Nato said on Friday its warplanes hit eight vessels of Muammar Gaddafi’s navy.
Pressure is piling on Libyan leader Muammar Gaddafi after an apparent defection from his oil minister and a rebuke from Moscow.
Pressure mounted on Libyan leader Muammar Gaddafi on Tuesday as Nato jets pounded his capital and his truce offer was snubbed.
The United Nations war-crimes court’s chief prosecutor applied on Monday for a warrant for Muammar Gaddafi’s arrest for crimes against humanity.
Muammar Gaddafi’s regime offered a truce in return for an immediate Nato ceasefire a day before the ICC considers arrest warrants for rights abuses.
Nato bombs wrecked Gaddafi’s office in his Tripoli residence, as rebels in Misrata said they had pushed loyalist forces out of the Libyan city.