William Buick says he "deeply regrets his actions" after he loses an appeal against a 30-day ban for an incident in the French Oaks.
Harzand wins the Irish Derby at the Curragh to complete a Derby double following his triumph at Epsom earlier in June.
Double Olympic cycling champion Victoria Pendleton would ride at the Cheltenham Festival again, if given the chance.
Champion jockey Silvestre De Sousa faces 12 days on the sidelines after breaching rules on use of the whip.
Audio & Video
Jockey Adam Kirby wins on My Dream Boat for a second big Royal Ascot win, the day after the birth of his son.
All the meetings scheduled in the United Kingdom
Royal Ascot 2016 winners
All the winners from the 30 races where Aidan O'Brien was leading trainer and Ryan Moore top jockey.
Latest updates and video from the world of equestrian sports
What's on BBC Sport this week
This week's sport on the BBC includes the start of Wimbledon, Euro 2016, England v Sri Lanka ODIs and the Austrian Grand Prix.