South African Caster Semenya, dogged by gender accusations since shooting to fame in 2009, won a third world title in the women’s 800m on Sunday.

South Africa’s Caster Semenya wins the final of the women’s 800m athletics event at the 2017 IAAF World Championships at the London Stadium in London on August 13, 2017. / AFP PHOTO 

Semenya, the defending Olympic champion and also world champion in 2009 and 2011, timed 1min 55.16sec, the fastest time of the year so far.

Burundi’s Francine Niyonsaba, the Olympic silver medallist, finished second in 1:55.92, with American Ajee Wilson taking bronze (1:56.65).