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The Queen's horse Carlton House set to race at Epsom Derby

The Queen could be in with a chance of winning the Epsom Derby for the first time as her horse Carlton House is tipped as a favourite.

There had been doubts about the participation of Carlton House after he developed swelling in his leg earlier in the week.

The BBC's Mike Bushall gets a tour of the Epsom grounds.

  • 03 Jun 2011
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