BBC Sport - World Championships 2015: Harper-Nelson crashes out of 100m hurdles
American nightmare in the hurdles
- From the section Athletics
Two of America's leading medal hopes fail to make it through to the final of 100m hurdles at the World Athletics Championships in Beijing.
Dawn Harper-Nelson fell at the second hurdle of her race, while compatriot Kendra Harrison was disqualified for a false start in the next semi-final.
Great Britain's Tiffany Porter did make the final in a time of 12.62, but younger sister Cindy Ofili failed to make it through to this afternoon's final.
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