Moonstone not part of O'Brien's York team Moonstone will miss the Darley Yorkshire Oaks at York next week following a slight setback. The Aidan O'Brien-trained filly, winner of the Irish Oaks on her last start, was expected to lock horns with Epsom heroine Look Here at the Knavesmire. However the trainer told the Racing Post: 'Moonstone has had a little hold-up and will be confined to walking for seven days, so she won't be going to York. The plan is to run Ice Queen and Adored in the Yorkshire Oaks.' O'Brien further outlined his plans for next week, confirming Red Rock Canyon will join Duke Of Marmalade in the Juddmonte International field while Alessandro Volta, Washington Irving, Hebridean and Bashkirov will run in the Great Voltigeur Stakes. Septimus will also be part of the Ballydoyle team as he seeks a second successive win in the Lonsdale Cup.