I'll never stop fighting - Semenya

Caster Semenya says she has been "crucified", but will "never stop fighting" against IAAF rules governing testosterone levels in female athletes.

The 800m world and Olympic champion says she will not race at the World Championships if she loses her appeal.

Read more:Caster Semenya says testosterone case against IAAF has 'destroyed' her 'mentally and physically'

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