Officials say the commemorative event marking the 80th anniversary of Auschwitz's liberation could be the last of its kind.

World leaders will be in Poland Monday to mark Holocaust Memorial Day and the 80thanniversary of the liberation of Nazi Germany’s Auschwitz-Birkenau concentration camp.

More than 1.1 million people were murdered at Auschwitz and historians say that most of them, about one million, were Jewish but the victims also included Poles, Roma and Soviet prisoners of war. #Eur

By Barbara Erling and Kuba Stezycki OSWIECIM, Poland (Reuters) -Auschwitz survivors were being joined by world leaders on Monday to mark the 80th anniversary of the liberation of the Nazi German death camp by Soviet troops,