Watch as Vladmir Putin sent condolences to the family of Wagner Chief Yevgeny Prigozhin after a plane crashed thought to be carrying the mercenary leader.<br /><br />Wagner used to fight alongside Russia in Ukraine, but challenged Putin’s authority in an uprising in June.<br /><br />Prigozhin was listed as a passenger on a jet that spiralled out of the sky in near Tver, about 96km north of Moscow.<br /><br />The president said Prigozhin “made serious mistakes in his life” but that he was “a talented businessman.”<br /><br />British security forces believe Russia’s FSB intelligence agency shot down the jet on the orders of Putin, The Telegraph reports.