Sheikh Mohammed has issued a statement saying he was "appalled and angered to learn that one of our stables in Newmarket has violated Godolphin's ethical standards" in the wake of trainer Mahmood Al Zarooni being charged by the BHA after 11 of his horses tested positive for anabolic steroids.
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Two were taken to hospital and three others were treated at the scene.
Nikki Haley said the organisation was not worthy of its name.
Rain in the northwest with some heavy outbreaks will sink slowly southeastwards