Valegro, co-owned by triple Olympic champion Charlotte Dujardin, will be retired at Olympia in December.
The Department of Agriculture has spent almost £400,000 to maintain an equestrian centre in County Fermanagh that it stopped using four years ago.
Australian Chris Burton on Nobilis 18 wins the Burghley Horse Trials as Britain's Oliver Townend finishes seventh.
Australian Chris Burton takes pole position at the Burghley Horse Trials, with Oliver Townend in 10th.
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Great Britain Paralympic flagbearer Lee Pearson says that leading out his country at the Maracana on Wednesday will be "the biggest honour".
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