The story

New 800 meters world champion Caster Semenya has arrived back in South Africa to fresh controversy over levels of testosterone in her body three times higher than normal for women.

Semenya, who is facing tests on her gender by international athletics body the International Association of Athletics Federations (IAAF), provided samples before the World Championships in Berlin which showed the high levels, Press Association Sport has revealed.

Higher-than-normal levels can occur naturally but the 18-year-old will now be subject to detailed scrutiny to decide whether that really is the case in this instance. Read full article »