IAAF Task Force chief praises anti-doping changes made by Russia but warns cultural problems remain

IAAF Task Force chief praises anti-doping changes made by Russia but warns cultural problems remain

Fresh accusations of state-sponsored doping by Russia during the 2014 Winter Olympics in Sochi have been "discussed" by the International Association of Athletics Federations (IAAF) Task Force, they have admitted as they continue their assessment of whether the country has done enough to justify having its ban lifted in time for Rio 2016.