An attack on Libya's Ajdabiya is anticipated as forces loyal to Moammar Kadafi bomb the city's outskirts. Insurgents launch a counterattack to regain the strategic oil city of Port Brega.Streets were deserted and shops were closed Monday as rebels in Ajdabiya braced for an offensive by the Libyan army, which bombed the city's outskirts as it deepened its push into insurgent-controlled territory in the east.