The Court of Arbitration for Sport (CAS) has overturned French Olympic fencer Ysaora Thibus’ four-year suspension for doping, ruling that her positive test for a banned substance was caused by kissing her then-boyfriend,

The key legal point in Semenya’s win was that the Swiss Federal Court had not carried out a “rigorous judicial review” that was required because Semenya had no choice but to pursue her case through the CAS’s “mandatory and exclusive jurisdiction.” the Strasbourg judges ruled.