Qin Haiyang sets world record in 200 breaststroke at swimming championships

Qin Haiyang of China set a world record in the men's 200-meter breaststroke.
Mollie O'Callaghan of Australia won the women's 100 freestyle, completing a sprint double.
South Africa's Tatjana Schoenmaker won gold in the women's 200 breaststroke.
Britain's men's 4x200 freestyle relay team took gold, beating the U.S. and Australia.
Hubert Kos of Hungary won gold in the men's 200 backstroke, defeating American rival Ryan Murphy.