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Caster Semenya bagged South Africa's sixth medal at the London Olympic Games, when she finished second in the women's 800m final on Saturday night.
Semenya, the 2009 world champion, crossed the line in one minute, 57.23 seconds, a seaon's best. The race was won by Mariyah Savinova of Russia in one minute 56,19 seconds. Ekaterine Poistogova of Russia was third, in one minute 57,53 seconds.