The death of the Aga Khan has evoked memories of one of the greatest sporting mysteries of all time - the disappearance of the wonder horse Shergar. The champion racehorse, owned by the Aga Khan ...

Fitzgerald was ordered to identify the stable of Epsom Derby-winning superstar racehorse Shergar and was told the gang were kidnapping the horse and would be demanding IR£2m for his safe return.

As tributes are paid to the Aga Khan following his death at the age of 88, the revered owner-breeder will always be associated with his mighty colt Shergar, the spectacular winner of the 1981 Derby.