Holocaust survivors have been marking 80 years since the liberation of the Nazi concentration camp, Auschwitz, in Poland. We hear from one of the dwindling number of Auschwitz survivors.

Also on the programme: thousands of Gazans have been returning north and finding little more than rubble; and the low-cost Chinese artificial intelligence (AI) chatbot that sparked market turmoil.

(Photo: An Auschwitz survivor is comforted as she lays a candle during commemorations at Auschwitz-Birkenau in Poland. Credit: Reuters)