Fighting in Tripoli as Libyan rebels advance

Libyan rebels expelled government forces from the strategic city of Zawiya Saturday, marking a major victory for the opposition in their march on Moammar Gadhafi's stronghold of Tripoli.

August 20, 2011 12:00:00 AM PDT
IHeavy gunfire and explosions rattled the Libyan capital Saturday after rebels seized control of a major coastal city just west of Tripoli. Rebel commanders said the firing in the capital signaled the start of an attack on Moammar Gadhafi's main stronghold.