![Dina Asher-Smith's secret injury & Elaine Thompson-Herah's gold in 100m at Tokyo Olympics](https://cdn.newsserve.net/en/knowledge/Dina-Asher-Smith_20190503.jpg)
Dina Asher-Smith's secret injury & Elaine Thompson-Herah's gold in 100m at Tokyo Olympics
Relive a dramatic day in the women's 100m at the Tokyo Olympics as Dina Asher-Smith reveals she was running with an injury and Elaine Thompson-Herah wins a second successive gold.
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