Team GB’s Dina Asher-Smith tells BBC Sport she tore her hamstring during the British Olympic trials after she failed to qualify for the Tokyo Olympics 100m final and pulled out of the 200m.
Watch live coverage of Tokyo 2020 on BBC One, BBC Two, the BBC Sport website, app and BBC iPlayer
COVERAGE DETAILS: Tokyo Olympics: Day-by-day guide to the key events, big stars and British medal hopes