SOFIA, Bulgaria — China’s Wenhao Liang and Meng Wang clinched gold medals in the men’s and women’s 500-meter races at the short track speedskating world championships.

Wenhao won the men’s race in a time of 41.383 seconds Saturday, ahead of defending champion Francois Hamelin of Canada, who finished in 41.456. Hamelin’s teammate, Francois-Louis Tremblay, won bronze
J.R. Celski of the United States, who won five medals at last year’s world championships, was disqualified in the semifinals.
Defending champion Meng took the women’s title in 43.619. Kalyna Roberge of Canada won silver in 43.679 and teammate Marianne St-Gelais took bronze.