A see-saw series of battles for control of Libya and parts of Egypt followed , reaching a climax in the Second Battle of El Alamein when British Commonwealth forces under the command of Lieutenant-General Bernard Montgomery delivered a decisive defeat to the Axis forces and pushed them back to Tunisia .
These reached a climax in the Second Battle of El Alamein . There British Commonwealth forces under the command of Lieutenant-General Bernard Montgomery delivered a decisive defeat to the Axis forces and pushed them back to Tunisia .