A Sark success: Carl Hester at home

Carl Hester made history four years ago by becoming the first Channel Islander to win an Olympic gold medal for nearly a hundred years.

The Dressage star will be looking for a repeat in Rio when the Games get under way next week.

Mark McQuillan has been looking at how the boy growing up in the little island of Sark, progressed to become one of horseriding's biggest success stories.