World Athletics 2013: Christine Ohuruogu eases to victory in 400m heat

Great Britain's Christine Ohuruogu cruises into the women's 400m semi-finals after winning her heat at the 2013 World Championships in Moscow, Russia.

The British team captain, who won gold in this event at the 2007 World Championships in Osaka, secured her place in Sunday's semi-final with a time of 50.20.

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