The body of a Saudi Arabian man has been found in the five-star Landmark Hotel in central London.

The body of the 32-year-old was found with severe head injuries in a third-floor room of the hotel in Marylebone on Monday afternoon, police said.

A man in his 30s was arrested in Westminster in connection with the death on Monday night. He remains in police custody.

Police know the identity of the man but are yet to name the victim formally.

Officers are trying to trace his next of kin.

A post-mortem examination is under way.