Laura Zeng, top US rhythmic gymnast, handed 6 month doping ban

Laura Zeng, the United States top-ranked rhythmic gymnast and winner of five Pan Am Games gold medals, was handed a six-month ban on Wednesday by the United States Anti-Doping Agency (USADA). Zeng, who also represented the United States at the 2016 Rio de Janeiro Olympics, tested positive for the banned diuretic and masking agent acetazolamide in an out-of-competition test on Oct. 18, USADA said in a statement.