NEW : Gadhafi 's gunners pound Misrata neighborhoods , journalist says . NEW : Despite the bombardment , the rebels `` are not giving up an inch '' Three rebels have died in clashes with Gadhafi forces since Monday , according to rebel spokesman Mostafa Bozen and a rebel fighter on the front lines , who spoke to CNN on condition of anonymity for safety reasons . A Red Cross aid ship docks in Misrata , while U.S. aid reaches Benghazi . By The Associated Press and Reuters wire reports TRIPOLI, Libya —
NEW : Gadhafi 's gunners pound Misrata neighborhoods , journalist says . NEW : Despite the bombardment , the rebels `` are not giving up an inch '' A Red Cross aid ship docks in Misrata , while U.S. aid reaches Benghazi . By The Associated Press and Reuters wire reports TRIPOLI, Libya —