Former Russia anti-doping chief Nikita Kamaev dies - reports

"He has never complained about heart problems, at least to me. Maybe his wife knew about such problems."

Nikita Kamaev, the former head of Russia's anti-doping agency, has died, according to reports in Russia.

Kamaev resigned from his position at RUSADA in December following the doping scandal which has engulfed athletics in the country.