Joseph O'Brien hails his father Aidan's 'unbelievable' Arc achievement

Joseph O'Brien has hailed his father Aidan's "unbelievable" achievement in saddling the first three home in Sunday's Qatar Prix de l'Arc de Triomphe at Chantilly.

Found, who was partnered by Ryan Moore, led home Highland Reel and Order Of St George in a clean sweep of the 12-furlong showpiece for the Ballydoyle handler.