A suspected Chinese spy who became a “close confidante” of the Duke of York was banned from the UK over national security fears that he could compromise the Royal.Former Home Secretary Suella Braverman took the decision to bar the businessman, who has close ties to the Chinese State, from the UK in March 2023.Full details of the case were published for the first time on Thursday, as the man - known only as H6 - lost an appeal against the decision.The explosive ruling revealed that Prince Andrew struck up an “unusually” close relationship with the man and agreed to business dealings, at a time when he was under intense international pressure over his links to Jeffrey Epstein.The businessman was allowed to act as a go-between for Prince Andrew, and was invited to the Royal’s 2020 birthday party.He was also suspected of circumventing the Duke’s Private Secretaries, and smuggling people unnoticed in and out of Andrew’s residence in Windsor.