After Chinese swimmer Chen Xinyi failed a doping test at the Rio Olympics, the Chinese Swimming Association said on Friday that they resolutely oppose the use of banned substances. Chen has applied...

After Chinese swimmer Chen Xinyi failed a doping test at the Rio Olympics, the Chinese Swimming Association said on Friday that they resolutely oppose the use of banned substances. Chen has applied to the International Olympic Committee to have her sample B tested and for a hearing. Get the latest in this video.