A special party was held in Leeds in honour of one of Britain's last remaining D-Day veterans. Jack Mortimer, 102, was just 20 when he bravely stormed Nazi-occupied beaches while under fire. He was a corporal with the Royal Army Ordnance Corps during World War Two and part of the Allied forces that landed on Sword Beach in Normandy on D-Day on June 6, 1944.Jack was tasked with transporting troops during Operation Neptune – the name given to D-Da…