![Tokyo Olympics: Dina Asher-Smith reveals she tore her hamstring at British Olympic trials](https://cdn.newsserve.net/en/knowledge/Dina-Asher-Smith_20190503.jpg)
Tokyo Olympics: Dina Asher-Smith reveals she tore her hamstring at British Olympic trials
Team GB's Dina Asher-Smith tells BBC Sport she tore her hamstring during the British Olympic trials after she is forced to pull out of the 200m.
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