Wagner, one of the most capable elements of Moscow's forces, played a key role in Ukraine where it captured the Ukrainian eastern stronghold of Bakhmut in late May
Russia's civil aviation authority earlier this week said Prigozhin, 62, and some of his top lieutenants were on the list of the passengers and crew members on board the plane
The Wagner Group's presence extends from the ancient battlegrounds of Syria to the deserts of sub-Saharan Africa, projecting the Kremlin's global influence
The founder of the Wagner military company and six other passengers were on a private jet that crashed Wednesday soon after taking off from Moscow, with a crew of three
Russia accused Wagner mercenary chief Yevgeny Prigozhin said that his men had crossed the border from Ukraine into Russia and were ready to go "all the way" against the Russian military.