Devon Allen stole the headlines for all the wrong reasons when he got disqualified from the 110m hurdles final. We examine the rules and technology around false starts. Show more
Discover 11,128,835 listings and 279,849 playable programmes from the BBC
Devon Allen stole the headlines for all the wrong reasons when he got disqualified from the 110m hurdles final. We examine the rules and technology around false starts. Show more