It said the plane was carrying the Lokomotiv ice hockey team from Yaroslavl to Minsk, the capital of Belarus, where the team was to play Thursday against Dinamo Minsk in the opening game of the season of the Kontinental Hockey League. The plane had 45 people on board, including 37 passengers and eight crew.
Officials said Russian player Alexander Galimov survived the crash along with a crewmember.
Eleven foreign players were reportedly onboard the jet. A Czech embassy official said Czech players Josef Vasicek, Karel Rachunek and Jan Marek were among those killed.