Ex-spy's death adds to Kremlin intrigue
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Critics see Moscow's hand in the poisoning, while Putin supporters point to an anti-Russia conspiracy.
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A radioactive substance was found in the body of a former Russian spy who died last night after accusing the Russian president of being behind a plot to poison him.
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Officers investigating the death of ex-spy Alexander Litvinenko are pursuing inquiries in London and Moscow.
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A former Russian spy poisoned in Britain and now hospitalized under guard may have been targeted for his criticism of former colleagues and his investigation into the killing of a prominent anti-Kremlin ...Comment
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UK police investigating the death of Russian ex-spy Alexander Litvinenko search for radioactive substances.
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The widow of murdered Alexander Litvinenko says the Russian authorities could have been behind his death.
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MOSCOW, May 31 -- The former KGB agent whom British prosecutors have accused of poisoning another former agent in London said Thursday that the British intelligence service MI6 was a likely suspect in the killing.
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Former Russian spy Alexander Litvinenko,  poisoned in London three weeks ago, died on Thursday, the  hospital treating him said.
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Detectives have been piecing together scraps of evidence on the mysterious death of a former Russian spy as the spotlight fell on the person he named on his deathbed as the man tracking him.
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MOSCOW, Dec. 7 -- Russian authorities have opened their own criminal investigation into the poisoning death of former spy Alexander Litvinenko, and are expanding the probe to include the attempted murder of a second man who met with Litvinenko in a London hotel last month.
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Scotland Yard traced the final steps of a former KGB spy turned Kremlin critic after officials determined he was poisoned by a rare radioactive substance
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German police have uncovered a radioactive trail linked to what prosecutors believe could be a possible suspect in the murder of a former Russian spy in London last month.
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Police are piecing together evidence on how Russian former spy and Kremlin foe Alexander Litvinenko may have been fatally poisoned.
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British prosecutors seek extradition of a Russian suspect in the murder of an ex-KGB man.  But the Kremlin is balking
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Viewpoint: The murder of Alexender Litvinenko demonstrates, once again, how murder has become an accepted part of Russian power struggles. But the West can't &#8212; or won't &#8212;  do much about it
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Who was behind ex-KGB agent Alexander Litvinenko's highly public demise?
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British police have prepared to head to Moscow as part of a widening probe into the death of ex-Russian spy Alexander Litvinenko, as diplomatic strains caused by the affair began to show.