Ten people died after a private jet crashed in Russia's Tver region, north of Moscow, TASS news agency reported on Wednesday, citing the emergencies ministry.
Russian mercenary chief Yevgeny Prigozhin was listed as a passenger on the jet which crashed, TASS said, citing Rosaviatsia, Russia's aviation authority.
However, there was no confirmation that Prigozhin was physically on board.
The Embraer aircraft, en route from Moscow to St Petersburg, was carrying seven passengers and three crew.
"An investigation has been launched into the Embraer plane crash that occurred tonight in the Tver region. According to the passenger list, among them is the name and surname of Yevgeny Prigozhin," Rosaviatsia said.
Russia's emergency situations ministry said that 10 people had been on board, including three crew members.
According to preliminary information, everyone on board had been killed, it added.

US military says it turned away blockade runner trying to reach Iranian port
Illegal mine collapses in China, killing five just days after Shanxi disaster
Israel troops capture Beaufort Castle in southern Lebanon push against Hezbollah
Jubilant PSG supporters spill onto Paris streets, some clash with police
