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Hangzhou Asian Games:  World champions Qin Haiyang and Xu Jiayu from China achieved hat-tricks in the men's breaststroke and backstroke respectively at Hangzhou Asian Games, the last day of the six-day swimming competition. Tokyo Olympic champion Zhang Yufei added women's 50m butterfly to her six-gold collection.

In the men's 50m breaststroke, Qin touched home first in 26.35 seconds in style, while China's Sun Jiajun trailed in 26.92 for the silver. South Korean swimmer Choi Dongyeol came third in 26.93, reports Xinhua.

The 24-year-old shattered the 200m breast world record with 2:05.48 in the Fukuoka worlds in July and became the first swimmer to complete a sweep of the breaststroke disciplines in a single edition of the world championships. At the Hangzhou Asiad, Qin completed a treble exploits again.