Caster Semenya, who has dominated the women's 800 metres over the past decade, has filed a challenge against the IAAF. Siphiwe Sibeko / Reuters
Caster Semenya, who has dominated the women's 800 metres over the past decade, has filed a challenge against the IAAF. Siphiwe Sibeko / Reuters

Caster Semenya case: UN rights council blasts IAAF over testosterone rules for female athletes