Chinese Olympic women's swimmer Chen Xinyi tests positive for a banned substance at the Rio Olympics.
Brock Lesnar has tested positive for an unnamed substance in an in-competition sample taken on the night of his UFC 200 heavyweight victory over Mark Hunt on July 9, the Ultimate Fighting Championship (UFC) says.
Chinese Olympic women's swimmer Chen Xinyi tests positive for a banned substance at the Rio Olympics.
Brock Lesnar has tested positive for an unnamed substance in an in-competition sample taken on the night of his UFC 200 heavyweight victory over Mark Hunt on July 9, the Ultimate Fighting Championship (UFC) says.
