Seamus Heffernan will be unavailable to Aidan O’Brien during Prix de l’Arc de Triomphe weekend after he lost an appeal against a 10-day suspension picked up at the Curragh last Sunday.

A lawyer for a man who police say confessed to choking a six-year old boy to death in a landmark 1979 missing child case said his client was mentally ill and had a history of hallucinations.