Queen's horse Estimate fails drugs test

A racehorse owned by the Queen has tested positive for morphine, a prohibited substance, Buckingham Palace announced.

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Queen 'informed' of racehorse's failed drugs test

The Queen has been informed of her racehorse's failed drugs test, her majesty's racing advisor said.

Estimate, which won the Gold Cup at Royal Ascot in 2013, tested positive for morphine - a prohibited substance.

Sir Michael Stoute, the racehorse's trainer, is offering his "full co-operation" to the investigation, John Warren, from the Queen's bloodstock and racing advisor, said.

Sir Michael Stoute is offering his 'full co-operation' to the investigation. Credit: PA Wire

"Sir Michael is working closely with the feed company involved to discover how the product may have become contaminated prior to delivery to his stables,

"As the BHA investigates this matter, including potential links between the different cases, Sir Michael continues to offer his full co-operation.

"Her Majesty has been informed of the situation."

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