The Russian state supported the murder of former Russian agent Alexander Litvinenko, it was reported last night. A senior security official told BBC's Newsnight there were "very strong indications it was a state action" and that the Russian security services continued to have a "willingness to consider operations against people in the west". Litvinenko, a fierce critic of former Russian president Vladimir Putin, died from polonium poisoning in London in 2006. Scotland Yard named former KGB agent Andrei Lugovoi as prime suspect for the murder, but he has always denied any involvement. Last year, the CPS issued an extradition warrant to bring Lugovoi back to the UK from Russia, but the then president Vladimir Putin refused to hand him over, saying it would be in breach of his country's constitution to do so. Newsnight said it...
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