Olympics: Rider Adelinde Cornelisse quits Rio 2016 after horse falls ill

    Adelinde Cornelissen and her horse, Parzival, won two medals at London 2012.

    Story highlights

    • Dutch rider Adelinde Cornelissen quits individual dressage event
    • Adelinde Cornelissen says she gave up to protect her horse

    (CNN)A Dutch dressage rider's Olympic dream is over after her horse fell victim to an insect bite at Rio 2016.