Cities across the world have marked International Holocaust Memorial Day, with Ukraine's president warning that "indifference kills" in his tribute to victims. President Volodymyr Zelenskyy laid candles at the Holocaust memorial at Babyn Yar, Kyiv. The president released a message to mark the day, saying: "Today, as always, Ukraine honours the memory of millions of Holocaust victims. "We know and remember that indifference kills along with hatred. Indifference and hatred are always capable of creating evil together only," he said. "That is why it is so important that everyone who values ??life should show determination when it comes to saving...