By Kieren Williams Alexei Navalny’s body has reportedly been found, covered in bruises, fuelling fears that Vladimir Putin had him killed. On Friday, Russia’s prison service announced that the activist who had once been Putin’s main political opponent had died in prison. Western leaders immediately pointed the finger of responsibility at the Kremlin leader whose enemies have a habit of vanishing, ending up in prison, or dying. Navalny was a vital part of Russia’s fledgling pro-democracy movement before an almost fatal poison attack on him in Germany. Following this he returned to Russia where …