Sir Keir Starmer has rejected accusations that he used a visit to Berlin’s Holocaust Memorial for political campaigning purposes. The Labour leader said the tour was part of his duty as a political leader to prevent such atrocities from happening again, after he was criticised for using the memorial as a backdrop for a promotional video that does not mention the Holocaust. He said: “I think going to a memorial like that is very important for senior politicians. “We have a duty not just to look back and remember and learn – of course we’ve got that duty. “But we...