Sir Keir, who is in Poland for defence and security talks, said "nothing" could have prepared him for the horror of what he had seen.

British PM says he saw 'sheer horror' at concentration camp which saw industrial-level killing as a 'collective endeavor by thousands of ordinary people'

International delegations are expected to attend a Jan. 27 ceremony commemorating 80 years since the death camp's liberation

The visit made the UK leader see more clear than ever before how the industrial-level killing didn’t result from the evil deeds of a few individuals.

WARSAW, Poland (AP) — U.K. Prime Minister Keir Starmer on Friday visited the site of Nazi German extermination camp Auschwitz, voicing his “sheer horror” at what he saw and vowing that he would fight the growing antisemitism which is causing fears to rise among Jews including in Britain.

British Prime Minister Keir Starmer visited the Auschwitz death camp, marking the 80th anniversary of its liberation. He was profoundly impacted by the history of the site and pledged to combat antisemitism.

The Prime Minister visited the former Nazi concentration camp as he travelled to Poland to meet with the country’s political leaders.

U.K. Prime Minister Keir Starmer on Friday visited the Nazi German extermination camp at Auschwitz, voicing his “sheer horror” at what he saw there, before holding talks with Poland's leaders on stepping up European defense and tightening Britain's ties with the European Union.