Swimmer Chen Xinyi of China tests positive at Rio Olympics

Chinese Olympic women’s swimmer Chen Xinyi tested positive for a banned substance at the Rio Olympics on August 7, state media said on Friday citing the country’s swimming association, the latest doping scandal to mar competition at the Games.

18-year-old Chen has appealed to the International Olympic Committee for a test of her b-sample, in addition to requesting a hearing towards the issue. Find us on Facebook too!

Diuretics increase urination rates and can be used as “masking agents” to hide the presence of performance-enhancing substances that are screened for in doping tests.

Sun, who won silver to Horton’s gold, tested positive for a banned stimulant in 2014 and served a three-month suspension in secret.

China’s Chen Xinyi reacted after winning the women’s 50m freestyle swimming final at the 17th Asian Games in Incheon, South Korea in September 2014.

“The CSA has taken this matter seriously and demanded full cooperation from Chen in the investigation”.

FINA has appointed the highly respected German anti-doping expert Ulrich Haas to investigate those two countries but his work started too late for these Games, while the anti-doping agencies of several leading swimming powers, apart from China and Russian Federation, teamed up to do extra testing in the build-up to Rio 2016.

She finished fourth Sunday in the 100-meter butterfly and pulled out before Friday’s 50-meter freestyle, her final event of the games. The teenager was due to compete in the heats for the 50m freestyle event, which start on Friday.

French swimmer Camille Lacourt waded into the row after Sun won gold in the 200m freestyle final, telling a French radio station: “Sun Yang, he pisses purple”.

Irish boxer Michael O’Reilly and Greek swimmer Theodora Gianeni have also withdrawn from the Games after being notified of failures on arrival in Rio, along with two weightlifters, Cyprus’ Antonis Mastasdis and Poland’s Tomasz Zelinski.

Doping has cast a long shadow over swimming in the Rio Games. That decision has sparked complaints from several swimmers, most notably American Lilly King.