King Charles III is under pressure over Andrew Mountbatten-Windsor 's relationship with Jeffrey Epstein "to the extent that the king may have to stand down," historian Andrew Lownie told Newsweek . Police arrested Mountbatten-Windsor on Thursday on suspicion of misconduct in a public office over allegations he shared confidential Government reports with Epstein while a U.K. trade envoy in 2010. After almost 12 hours, Mountbatten-Windsor was released under investigation. He has always denied