Libya rebels are amassing to the east and west of Sirte, and have given Qaddafi forces in the strategic city until Saturday to surrender.
The International Criminal Court is considering a new arrest warrant for Muammar Qaddafi's son Khamis after a massacre was discovered next to his brigade's barracks.
Western rebels say they won't accept a government run by the National Transitional Council's chairman, who is from the east and has yet to be seen in Tripoli since rebels seized the capital.
In Tripoli, human rights workers and locals are uncovering evidence of mass killings by Muammar Qaddafi's retreating army. Meanwhile, water distribution and other basic services are in disarray.
Over the weekend, concerns grew in Tripoli about the fate of black African workers who many Libyan rebels believe were mercenaries for Qaddafi.
After taking the oil towns of Brega and Ras Lanuf, Libyan rebels are trying to persuade Sirte residents to lay down their arms. The city, Qaddafi's hometown, is one of the regime's last holdouts.
How the rebels address immediate challenges – including regional and tribal divisions, as well as a thirst among some for revenge – will signal their ability to govern fairly in a new Libya.
Libya's rebels cracked down on looting and tried to prevent vigilante justice across the capital today as the National Transitional Council began setting up shop.
Malik Mohamed, a slight boy armed with an official press pass, pushes his way through hordes of experienced foreign correspondents to interview rebel officials for the Brega News Agency.
Libya's Transitional National Council faces a key challenge in reining in longstanding differences and ensuring that government law trumps tribal justice.
Libyan rebels say that they are preparing to wipe out the last few pockets of Qaddafi loyalists in the city, but a swift victory is not certain – raising concerns about an insurgency.
Libya rebel leader Mustafa Abdel Jalil also said that the National Transitional Council would allow Qaddafi safe passage into exile if he relinquished power.
With the austerity gripping Europe and a new generation of leaders not shaped by cold-war politics, NATO's future is increasingly in question.
Libya's rebel council is meeting with international officials in Qatar today to arrange $2.5 billion in funding for an interim government.
The rebel government is preparing to move many of its ministries from Benghazi to Tripoli, even as Muammar Qaddafi's regime vowed to fight for years.
The sprawling Bab al-Aziziya – the symbolic heart of Muammar Qaddafi's regime – fell to the Libyan rebels today, sparking wild celebrations in much of Libya.
In a chaotic city, Libya's rebels are having trouble telling friend from foe. Misinformation is rife and Qaddafi loyalists still have plenty of reason to fight on.
Rebel leaders based in the east are heading to Tripoli to strengthen their claim as the legitimate government of Libya. But their credibility has been shaken by inaccurate statements about rebel achievements.
A quick rebel victory is fading into uncertainty as Qaddafi gunmen are fighting back and Muammar Qaddafi's politically powerful son Saif al-Islam reemerges.
Libya's rebel government, the National Transition Council, now faces a far greater task than governing Benghazi.
As Libya rebels assumed control of most of Tripoli, Qaddafi's spokesman said 'thousands and thousands' of fighters were on their way to Tripoli to join the fight.
Libya's western rebels have reportedly seized Tripoli's Green Square and captured at least some of Muammar Qaddafi's sons. The strongman's regime appears to be all but finished.
Libya's leader Muammar Qaddafi appears to be running out of options as rebels close in on Tripoli, but an end to his regime could still be a long way off.