Russian Olympic bobsleigh champion Dmitriy Trunenkov has been banned from his sport for four years after violating anti-doping rules, Russia’s anti-doping agency (RUSADA) said.

“The Bobsleigh Federation of Russia, following the materials provided by RUSADA Disciplinary anti-doping committee, rendered a decision that made Trunenkov Dmitriy ineligible for four years,” RUSADA said.

It did not say what specific violation Trunenkov, who won the gold medal as part of the four-man team at the Sochi 2014 winter Olympics, had committed.

Russia sent a small team to last year’s Rio de Janeiro Olympics following a doping scandal which caused hundreds of its athletes to be banned from competing there.

Russia’s athletics federation remains suspended and sports events have been moved away from Russia.

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