Article Photos: Fresh fighting erupts between Libya rebels, regime 16/43

  A rebel fighter, over an anti-aircraft machine gun, celebrates the capture in Tripoli of Moammar Gadhafi's son and one-time heir apparent, Seif al-Islam, at the rebel-held town of Benghazi, Libya, early Monday, Aug. 22, 2011. Libyan rebels raced into Tripoli in a lightning advance Sunday that met little resistance as Gadhafi's defenders melted away and his 42-year rule appeared to rapidly crumble. (AP Photo/Alexandre Meneghini)