Factbox - South African athlete Semenya loses appeal against testosterone rule

FILE PHOTO: Athletics - Gold Coast 2018 Commonwealth Games - Women's 1500m Final - Carrara Stadium - Carrara Stadium - Gold Coast, Australia - April 10, 2018. Gold medalist Caster Semenya of South Africa celebrates. REUTERS/Athit Perawongmetha/File Photo

CAPE TOWN (Reuters) - The Court of Arbitration for Sport (CAS) has dismissed an appeal by South African middle-distance runner Caster Semenya against regulations that restrict testosterone levels in female athletes.

Here is some reaction to Wednesday's decision: