Olympic judo: Disqualification secures gold for Kaori Matsumoto
Japan's world number one Kaori Matsumoto overcame Corina Caprioriu to secure gold in the women's -57kg event.
The 2010 world champion, who now plans to retire, won it on a golden score when the Romanian was disqualified for attacking through the back of the legs.
Britain's Sarah Clark lost her first-round contest to a golden score against eventual bronze medal winner France's Automne Pavia.
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