World Athletics Championships: British athletes on lucky charms

Members of Great Britain's team for the World Athletics Championships reveal their superstitions and pre-race rituals.

Dina Asher-Smith, Harry Aikines-Aryeetey and Jodie Williams are among the athletes who reveal their secrets in the lead-up to the event, which begins in Beijing on Saturday.

The BBC has extensive live coverage of the 2015 World Championships across TV, Red Button, radio, desktop, mobile, tablet and app.

Available to UK users only.