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28/02/2015 10:53 GMT | Updated 28/02/2015 10:59 GMT

Who Is Boris Nemtsov? 19 Things You Need To Know About The Murdered Putin Opponent

The murder of Boris Nemtsov, Russia's most high-profile and charismatic opposition leader has sent shockwaves across Russia, and drawn condemnation from across the world.

Barack Obama, David Cameron, Angela Merkel and Garry Kasparov were among those who called for a through investigation into the killing of one of Vladimir Putin's key rivals - a death the Russia President has said he will investigate personally.

Putin's Foe Boris Nemtsov Gunned Down Outside Kremlin, Days After Family Predicted His Murder

But who was Boris Nemtsov? These are 19 things you need to know:

The life of Boris Nemtsov