Olympic Moments: Johnson drug scandal rocks Seoul 1988

Canadian sprinter Ben Johnson is stripped of the 100m title at the 1988 Seoul Olympics having tested positive for anabolic steroids.

Three days after beating American Carl Lewis in a world record 9.79 seconds, it was announced that Johnson had failed a doping test.

The athlete left the Games in disgrace and admitted the offence a year later at a Canadian government investigation.

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