Land mine invention by the Polish officer Józef Kosacki. His invention, known as the Polish mine detector, was used by the Allies alongside mechanical methods, to clear the German mine fields during the Second Battle of El Alamein when 500 units were shipped to Field Marshal Montgomery's Eighth Army. The Nazis used captured civilians who were chased across minefields to detonate the explosives. According to Laurence Rees "Curt von Gottberg, the SS-Obergruppenführer who, during 1943, conducted another huge anti-partisan action called Operation Kottbus on the eastern border of Belarus, reported that 'approximately two to three thousand local people were blown up in
British Army during the Second World War the end of the peninsula, when they were halted by a smaller Japanese force and the offensive was a total failure. In North Africa the Axis forces attacked in May, defeating the Allies in the Battle of Gazala in June and capturing Tobruk and 35,000 prisoners. The Eighth Army retreated over the Egyptian border, where the German advance was stopped in the First Battle of El Alamein. Claude Auchinleck, who had assumed command of the Eighth Army following the defeat at Gazala, was sacked and replaced by General Sir Harold Alexander, who became C-in-C Middle East, at the same time