Caster Semenya Takes On World Athletics Body

South African athlete Caster Semenya, the women's world 800m champion, is at the Court of Arbitration for Sport in Lausanne, Switzerland, to challenge proposed International Association of Athletics Federation rules that could force her to lower her testosterone levels.

South Africa's two-time Olympic 800m champion Caster Semenya arrives at the Court of Arbitration for Sport on Monday February 18, 2019.

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