The latest report for the World Doping Authority says more than 1,000 Russian athletes across 30 sports may have benefited from the program.
It says athletes in the London and Sochi Olympics were among those involved.
A Russian skating fan holds the country's national flag over the Olympic rings during the 2014 Winter Olympics in Sochi, Russia Source: AP
The latest report for the World Doping Authority says more than 1,000 Russian athletes across 30 sports may have benefited from the program.
It says athletes in the London and Sochi Olympics were among those involved.