Auschwitz, 75 years on: "I remember naked women being driven in trucks to the gas chambers"

Polish Auschwitz survivor Stanislaw Zalewski follows on stage at the commemoration. He was 18 when he was sent to Auschwitz for acts of resistance in October 1943 before being transferred to Mauthausen and ultimately liberated. Zalewski says he remembers seeing naked women being taken to the gas chambers, that he can hear them still in his head; he remembers prisoners committing suicide against the electric fences.