Libyan rebels military spokesman Col. Ahmed Bani told Xinhua Monday that he believed Libyan leader Muammar Qaddafi's sixth son Khamis Qaddafi is likely hiding in Bab al-Aziziya in the capital of Tripoli, refuting Khamis' death reports.

Bani, meanwhile, said that he know nothing about whether Libyan rebels have captured a third Gaddafi son, Saadi.

Confirming that 95 percent of Tripoli had under the control of rebels, Bani added the rebel soldiers is now besieging Qaddafi's long-time command center Bab al-Aziziya.

The rebels had cut off power supply in government controlled Surt, hometown of the Libyan leader, for several days, Bani said.

On the east front, Gaddafi troops are withdrawing from Brega, he added.