London (CNN) Russian President Vladimir Putin probably approved the operation by Russian agents to kill former FSB spy Alexander Litvinenko in 2006, a detailed UK inquiry has concluded. Retired High Court Judge Robert Owen, who conducted the inquiry, wrote that he was "sure" that two former Russian agents poisoned the 44-year-old at a London hotel with highly radioactive polonium-210. And Owen wrote that he was also sure that the two men who allegedly poisoned Litvinenko -- former KGB and FSB employee Andrei Lugovoi and former Russian army officer Dmitri Kovtun -- were acting on behalf of others, probably the Russian spy service, the FSB."Putin himself personally protected (poisoning suspect) Lugovoi," Litvinenko's widow tells CNNRussia's Foreign Ministry calls the inquiry politically motivated; Russia's ambassador goes to the UK Foreign OfficeRussian President Vladimir Putin "probably approved" operation by Russian agents to kill Litvinenko, UK inquiry concludes
"He made clear that the inquiry's conclusion concerning the Russian State's probable involvement in this murder was deeply disturbing, demonstrating a flagrant disregard for _ law, international law and standards of conduct, and the safety of UK citizens. "He made clear that the inquiry's conclusion concerning the Russian State's probable involvement in this murder was deeply disturbing, demonstrating a flagrant disregard for UK law, international law and standards of conduct, and the safety of _ citizens. He said: "You may succeed in silencing one man but the howl of protest from around the world will reverberate, Mr. _, in your ears for the rest of your life." In an interview later in the day with CNN, she accused _ of direct involvement.