Athletics:Russia win women's 4x400 metres relay world gold

Russia won the women's 4x400 metres relay world title on Saturday at the World Athletics Championships in Moscow.

The Russian quartet timed 3min 20.19sec while three-time defending champions the United States took silver (3:20.41) and Great Britain the bronze (3:22.61).

Russia last won the gold in the event in Helsinki in 2005.

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