A rebel fighter seen behind a Kingdom of Libya flag near the front line along the western entrance gate of Ajdabiyah April 18, 2011.Libyan leader Muammar Gaddafi's forces fired rockets on Sunday at rebels stationed along the edge of Ajdabiyah, sending some residents fleeing from the eastern town, witnesses said. REUTERS/Amr Abdallah Dalsh (LIBYA - Tags: CIVIL UNREST POLITICS IMAGES OF THE DAY)