Former rebel fighters flash V-sign on a tank in Wadi Dinar, Libya, Sunday, Sept. 18, 2011. Libyan fighters are streaming into Bani Walid, one of the remaining bastions of ousted leader Moammar Gadhafi, in a new fierce push. The revolutionary forces, in dozens of pickup trucks mounted with heavy weapons, are making their way from the north into the town center. (AP Photo/Alexandre Meneghini)