 In November 1942, he fled to Spain via the Pyrenees.There he was arrested and interned in the camp of Miranda de Ebro until 31 March 1943, as one of 12 Luxembourgers.Finally, he manage to arrive in Britain (via Portugal) on 29 June 1943, where he joined the Belgian army, and received training as a parachutist and at the British Military Intelligence School.