"Our biggest challenge is still ahead," Jibril told a news conference. "The battle of liberation is not finished."
On preparations to overrun Qadhafi's last strongholds after the failure of negotiations for a peaceful surrender ahead of an NTC deadline of Saturday, he said: "We have the right to defend ourselves even before the deadline."
Jibril said there were still cities in southern Libya besieged by the old regime and other cities like Syrte and Bani Walid where the situation was unresolved.
The deadline for negotiations to bear fruit had been extended by NTC chairman Mustapha Abdel Jalil in good faith to avoid further bloodshed between Libyans.
"Unfortunately, this chance was violated and exploited by putting more soldiers and fomenting Libyans to kill each other. We don't really see that the other side truly wants to take a chance and avoid bloodshed," Jibril said.
Copyright AFP (Agence France-Presse), 2011