American Olympic 100 metres hurdles champion Brianna McNeal has been banned for five years for an anti-doping rule violation (ADRV), the Athletics Integrity Unit (AIU) said on Friday.
Brianna McNeal has been charged and provisionally suspended for violating World Athletics' Anti-Doping rules
Compatriot Ronnie Baker, who had set the previous fastest 100m of the year nine days ago, was second in 9.93 seconds, with Jamaica's Yohan Blake third a further hundredth of a second back.
A round-up of results from the final day of the World Athletics Championships in Doha on Sunday
A summary of sports events and persons who made news on Saturday.