China's Zhao Shuai retains title at taekwondo worlds

Zhang Mengyu added a second gold medal for China in the women's 67kg after defeating Turkey's Nur Tatar Askari 18-9.

China's haul of two gold, two silver and three bronze medals represents the country's best result in world taekwondo championships history. The country finished third in the medal standings behind South Korea and Britain.

The next world championships will be held in Wuxi, Jiangsu Province in 2021.