29 October 2013 Last updated at 12:57

Tina Cook excited by De Novo News' potential for Rio 2016

Findon eventer Tina Cook tells BBC Sussex she believes that 10-year-old De Novo News, who she bred at her yard in West Sussex, is showing potential for the Rio Olympics in 2016.

Cook helped Great Britain to win team silver at London 2012 and the 43-year-old says she feels "as driven as ever" as she has her sights on competing in Brazil.