Libyan anti-government fighters sit by a fire to stay warm as they control a checkpoint on the outskirts of the southwestern town of Nalut, Libya, Monday. The town is currently in control of the Libyan anti-government forces. Lefteris Pitarakis/AP hide caption

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Anti-Gadhafi protesters wave their old national flag as they stand atop an abandoned army tank in the eastern Libyan city of Benghazi on Monday. Patrick Baz/AFP/Getty Images hide caption

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A rebel militiaman stands guard at a Libyan oil refinery Sunday in Al Brega, Libya. The opposition leadership has stressed that oil facilities in rebel-held territory are safe, despite the conflict roiling the country. John Moore/Getty Images hide caption

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A Gadhafi supporter simulates the salute portrayed in a photograph of Libyan Leader Moammar Gadhafi, as he and others stage a small rally on the stage of the Roman amphitheatre at the Sabratha archaeological site. Ben Curtis/AP hide caption

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A Libyan civilian holds anti-aircraft ammunition at an army barracks in Benghazi, where dozens of civilians registered for civil defense training amid fears of air raids from Tripoli. Marco Longari/AFP/Getty Images hide caption

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