Don Cossack wins Cheltenham Gold Cup under Bryan Cooper

• Owner Michael O’Leary celebrates second victory in the race
• Cue Card fell three fences out when still in with every chanceDon Cossack has won the Cheltenham Gold Cup, providing a new peak to the career of his jockey, Bryan Cooper, who chose to ride him instead of the eventual third, Don Poli, and who has also had to deal with regular bouts of criticism since taking the job as first jockey to the owner, Michael O’Leary. But fans of Cue Card were left to wonder what might