This undated photograph handed out by French military shows three Russian mercenaries, right, in northern Mali. Russia has engaged in under-the-radar military operations in at least half a dozen countries in Africa in the last five years using a shadowy mercenary force analysts say is loyal to President Vladimir Putin. The analysts say the Wagner Group of mercenaries is also key to Putin's ambitions to re-impose Russian influence on a global scale. (French Army via AP)
