Libyan rebel fighters embrace at a military base in Tripoli, Libya, Monday, Aug. 22, 2011. Libyan rebels claimed to be in control of most of the Libyan capital on Monday after their lightning advance on Tripoli heralded the fall of Moammar Gadhafi's nearly 42-year regime, but scattered battles erupted and the mercurial leader's whereabouts remained unknown. (AP Photo/Sergey Ponomarev)