World Athletics Championships: Nia Ali, Alaysha Johnson & Liz Clay fall in hurdles heat

Watch as the reigning 100m hurdles World Champion Nia Ali and fellow USA team-mate Alaysha Johnson fall during their heats, with Australia's Liz Clay also falling and failing to qualify at the World Athletics Championships in Oregon.

from BBC Sport - Sport https://ift.tt/q0mOJUY

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