House of Representatives Democrats called for an investigation on Tuesday into allegations of sexual harassment against U.S. Representative John Conyers. Conyers said his office had resolved a harassment case with a payment but no admission of guilt. Minority Leader Nancy Pelosi, in a statement on fellow Democrat Conyers, said, “Any credible allegation of sexual harassment must be investigated by the Ethics Committee.” Earlier on Tuesday, Conyers, 88, issued a statement after a BuzzFeed News report cited allegations from former staffers that he made sexual advances to female staff. The congressman from Michigan, one of America’s most prominent black lawmakers, did not give details of the case but said he would fully cooperate in any investigation.