Athletics hit by new scandal . German documentary makes claims over suspicious blood samples . Accusations made by former member of IAAF 's medical staff . Anonymous whistle - blowing . ` Just take a look the haemoglobin values The blood samples were suspicious .
Athletics hit by new scandal . German documentary makes claims over suspicious blood samples . Accusations made by former member of IAAF 's medical staff . Anonymous whistle - blowing . The blood samples were suspicious .