Pioneering jockey Michelle Payne will miss the Shergar Cup at Ascot in August after having abdomen surgery following a fall.
Trainer Jim Best, who was given a four-year ban, will have his case reheard after the BHA issues an apology.
Veteran jockey Kieren Fallon is set to ride Across The Stars for old ally Sir Michael Stoute in the Derby at Epsom next month.
Jet Setting upsets Minding to win the 1000 Irish Guineas - while The Gurkha will miss the Derby at Epsom.
Audio & Video
BBC Radio 5 live horse racing reporter Luke Harvey is appearing on BBC Breakfast but needs to be on 5 live breakfast too. Watch his elegant solution to the problem.
All the meetings scheduled in the United Kingdom
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What's on BBC Sport this week
This week's sport on the BBC includes the Monaco Grand Prix, second Test between England and Sri Lanka and the Champions League final.
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