Kenya's Emmanuel Korir won the Olympic men's 800 metres gold medal on Wednesday, extending the East African nation's dominance of an event they have now won four times in a row.

Tokyo Olympics: Athletics - Emmanuel Korir extends Kenya's 800m dominance

Caster Semenya has been denied participation in her favoured 800 metres race in Morocco, the athlete said on Thursday, despite Switzerland's highest court rejecting an IAAF request for eligibility regulations to be reimposed on the South African.

Caster Semenya denied entry into Rabat 800 metres race

The South African has been dogged by several controversies because of her naturally high testosterone levels

Rio Olympics 2016: Caster Semenya blitzes race to win 800m gold

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