Caster Semenya wins gold in women's 800m final - #TeamCaster #Caster4Gold

Semenya gets a PB and SA best to win gold, well ahead of the competition (1.55.28). 

Despite a slow first lap, Semenya controlled the race, even if Francine Niyonsaba led for a short while. Silver went to Niyonsaba (Burundian) and Margaret Wambui gets bronze (Kenya). 

Team GB's Lynsey Sharp finished in 6th.