Campaign against Kremlin critics ------------------------------------ Russian opposition leader Alexei Navalny (right) is gravely ill and in intensive care after apparently being poisoned. If confirmed, it would be the latest in a series of attacks on Kremlin critics ------------------------------------ 2006 Jul 2006: Russian parliament approves law which authorises President Vladimir Putin – alone, and without consultation – to carry out targeted killings on foreign soil of “terrorists and extremists.” Category includes Kremlin critics Nov 2006, Alexander Litvinenko: Russian Federal Security Service (FSB) defector and fierce critic of Kremlin. Killed with radioactive polonium-210 in London ------------------------------------ 2007 Jan 2007, Yuri Golubev: Co-founder of Russian oil giant, Yukos. Golubev’s plan, to sell share of newly-merged YukosSibneft to two U.S. oil companies, seen as treason. Golubev dies after returning to London from China via Moscow ------------------------------------ 2008 Feb 2008, Badri Patarkatsishvili: Closest confidant and business partner of Kremlin critic, Boris Berezovsky. Dies suddenly in his Surrey home two months after notifying Scotland Yard of assassination plot against him ------------------------------------ 2009 ------------------------------------ 2010 Aug 2010, Gareth Williams: Police find the body of GCHQ analyst in padlocked sports bag in his London flat. Williams was investigating Russian money laundering Nov 2010, Paul Castle: Property mogul and confidant of Berezovsky. Killed by train at London’s Bond Street station after falling foul of Russian-linked crime gang ------------------------------------ 2011 ------------------------------------ 2012 Nov 2012, Alexander Perepilichnyy: Russian financier who exposed $230 million, state-sanctioned, money-laundering scheme. Collapses while jogging near his luxury home in Surrey, UK. Pathologists find traces of rare and deadly poison from gelsemium plant in his stomach ------------------------------------ 2013 Mar 2013, Boris Berezovsky: Former Kremlin power broker – who went into self-imposed exile in UK after opposing Putin – is found dead at Sunninghill home, hanging from shower rail. Marks on his neck suggest he likely had been strangled ------------------------------------ 2014 ------------------------------------ 2015 Nov 2015, Mikhail Lesin: Founder of Russia Today TV network beaten to death in hotel in Washington DC in U.S. after falling out of favour with Kremlin elite ------------------------------------ 2016 May 2016, Matthew Puncher: British scientist who identified fatal dose of radioactive polonium used in Litvinenko assassination is stabbed to death at his home in Oxford ------------------------------------ 2017 ------------------------------------ 2018 Mar 2018, Sergei Skripal: Former Russian double agent for British intelligence, and his daughter, Yulia, survive poison attack in Salisbury, UK, with Soviet-designed Novichok nerve agent. Two members of Russia’s Main Intelligence Directorate (GRU) – are accused of attempted murder ------------------------------------ 2019 Aug 2019, Zelimkhan Khangoshvili: Former Chechen rebel commander gunned down while walking through Berlin park, Germany. Russian citizen linked to GRU charged with murder ------------------------------------ 2020 Aug 22, 2020, Alexei Navalny: Flown by air ambulance to Germany for treatment, two days after he fell ill on flight to Moscow ------------------------------------ Sources: Atlantic Council, Buzzfeed, Bloomberg, Reuters Pictures: Associated Press, Getty Images © GRAPHIC NEWS