delay the Allied advance by defensive operations, most notably with the Battle of the Kasserine Pass and a temporary defensive success at the Battle of the Mareth Line. After shattering the Axis defence on the Mareth Line, the Allies squeezed Axis forces into a pocket around Tunis. Axis resistance in Africa ended on 13 May 1943, with the unconditional surrender of nearly 240,000 men, who became prisoners of war. Southern Europe Italian campaign Following the Allied victory in North Africa the Allies invaded Sicily in Operation Husky on 10 July 1943, with amphibious and airborne landings. The Germans were unable to prevent the Allied capture of the island but evacuated most of their troops and equipment to the mainland before the Allies entered Messina on 17 August. On 25 July, the Italian government deposed Mussolini, the Italian leader, who was subsequently arrested. The new government announced that it would continue the war but secretly commenced negotiations with the Allies. The Allied invasion of Italy started when the British Eighth Army landed in the toe of Italy on 3 September 1943, in Operation Baytown. The Italian government signed the surrender the same day, believing they would be given time to make preparations against the anticipated German intervention. The Allies announced the Armistice of Cassibile on 8 September and German forces implemented plans to occupy the Italian peninsula. On 9 September, American and British forces of the US Fifth Army landed at Salerno in Operation Avalanche and more British airborne troops landed at Taranto in Operation Slapstick. German forces which had escaped from Sicily were concentrated against Avalanche, while additional forces were brought in to occupy Rome and disarm the Italian Army in central and northern Italy. The Germans were unable to prevent the Italian fleet sailing to Malta, although the battleship Roma was sunk by the Luftwaffe on 9 September. In the occupied areas of southern Europe and the Mediterranean, German forces rapidly disarmed and captured Italian troops, putting down any resistance they offered in Yugoslavia, southern France and Greece. Meanwhile, on 16 September, a German airborne force led by Otto Skorzeny rescued Mussolini from the mountain resort in the Gran Sasso where he was being held. A puppet government headed by Mussolini was subsequently set up in northern Italy as the successor state to the former fascist government. As the campaign in Italy continued, the rough terrain prevented fast movement