UK Prime Minister Keir Starmer says he "regrets" appointing Peter Mandelson as US Ambassador, saying "if I knew then what I know now, he would never have been anywhere near government". Starmer says Mandelson, who was sacked as UK ambassador to the US over his links to the late sex-offender Jeffrey Epstein, "betrayed our country, our parliament and my party". The Metropolitan Police has launched an investigation into allegations that Mandelson passed on sensitive government information to