Whistleblower says Russian drug cheats will still compete at Rio Olympics

The couple who revealed the systematic doping in Russian sport fear drug cheats will still compete.

The couple who blew the whistle on doping in Russian sport fear drug cheats will still compete at the Rio Games under the country's flag.

Former Russian anti-doping officer Vitaly Stepanov and his wife, the 800 metre runner Yuliya Stepanova, lifted the lid on the state-sponsored doping in the country which has had a dramatic fall-out.