Sport | WADA: 'No credible evidence of wrongdoing' in Chinese swimming case
![Sport | WADA: 'No credible evidence of wrongdoing' in Chinese swimming case](https://cdn.24.co.za/files/Cms/General/d/11402/039c9e0fcbcc4b47b5dd195994557608.jpg)
The president of the World Anti-Doping Agency (WADA) on Monday said his organisation had received "no credible evidence of wrongdoing" during their investigation into Chinese swimmers testing positive for a prescription heart drug.