Mayfair flat murder: Man arrested over Roberto Troyan's death
A 36-year-old man has been arrested on suspicion of murdering a man in Mayfair, central London.
Officers found Roberto Charles Troyan, 63, on 8 March after being called to a flat in Mount Street.
Police said Mr Troyan was a "well-known character" who they believe was murdered before 16:00 GMT that day.
A man was arrested on Monday and is in custody. A post-mortem examination on Sunday found Mr Troyan, known as Robert, died of head injuries.