In 1943 he was able to escape and join the Armia Ludowa communist resistance organization. Arrested again in 1944 he was bound for Auschwitz concentration camp, but his transport was liberated by Polish partisans before it reached the camp.
By 1943, he managed to evade capture and joined the Armia Ludowa communist resistance movement. He was recaptured in 1944 and was scheduled to be sent to Auschwitz concentration camp, but a group of Polish fighters intervened, saving him from being transported to the camp.