South Africa's Van Niekerk wins 400m gold
Wayde Van Niekerk of South Africa storms to gold and claims a new Olympic and world record in the men's 400m final at Rio 2016.
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South Africa's Van Niekerk wins 400m gold
Wayde Van Niekerk of South Africa storms to gold and claims a new Olympic and world record in the men's 400m final at Rio 2016.
