A plane crash which killed all 10 people on board is widely seen as an act of revenge after a short-lived rebellion that Vladimir Putin branded a "stab in the back".
Falls from windows, poisoned food, physically impossible self-strangulation, and bodies discovered with head trauma or bullet holes — these are some of the ways that Russian President Vladimir Putin’s political opponents have met their unnatural deaths in recent years.
A cast of high profile figures have died in mysterious circumstances after they either criticised the Russian dictator, or criticised him in public. these are figures killed after going against Putin.
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