World Taekwondo: Bianca Walkden misses out on gold to Zheng
With the scores tied at 1-1 after three rounds, Zheng was able to land a head shot in the fourth to win the gold medal.
The second-place finish for Britain's Walkden guarantees her a top-six world ranking for 2015, which earns Britain a place in the +67kg division for the Rio 2016 Olympics.
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Watch live coverage of the World Taekwondo Grand Prix: Sunday 18 October, 18:00-20:00 BST on Red Button/online/Connected TV.