Fox-Pitt leads the way at Burghley

William Fox-Pitt and mount Parklane Hawk lead by three points at Thursday's halfway stage of the dressage at the Burghley Horse Trials.

Fox-Pitt tells BBC Sport's Clare Balding that the event is fantastic preparation for his bid for gold in 2012, as he prepares to decide which horse to ride at the London Olympics.

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