Elaine Thompson-Herah goes for an Olympic double in the women's 200m final, plus the women's hammer and 800m finals and Armand Duplantis in the men's pole vault.
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Elaine Thompson-Herah goes for an Olympic double in the women's 200m final, plus the women's hammer and 800m finals and Armand Duplantis in the men's pole vault.
BBC One
