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The two allegedly poisoned him by slipping radioactive polonium-210 into his tea.
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The pair are alleged to have slipped radioactive polonium-210 into Litvinenko's tea.
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Two former KGB agents allegedly slipped radioactive polonium into the tea of Litvinenko.
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Litvinenko was poisoned with radioactive polonium that was slipped in to his tea.
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A report by Swiss scientists says Arafat's remains contained high levels of radioactive polonium.
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Investigators discovered that radioactive polonium-210 was slipped into his teapot.
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Litvinenko fell ill after drinking tea laced with radioactive polonium.
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France began a murder inquiry in August after Swiss experts found radioactive polonium-210 on his personal effects.
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And in 2006, the former KGB agent Alexander Litvinenko died after allegedly being poisoned with radioactive polonium.
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The inquest next year is expected to hear evidence that Russian agents murdered the dissident using radioactive polonium.
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French scientists investigating Palestinian leader Yasser Arafat's death have ruled out poisoning by radioactive polonium, his widow said today.
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Part of the radioactive elements supplied with this chamber was a small piece of potent, though short-lived, radioactive polonium 210!
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Swiss scientists have confirmed that the late Palestinian leader had high levels of radioactive polonium in his body when he died.
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The claim follows a forensic report by Swiss scientists which concluded that Mr Arafat's remains contained high levels of radioactive polonium.
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Mr Litvinenko died in hospital, nearly three weeks after drinking tea laced with radioactive polonium while meeting two Russians in London.
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Litvinenko died in London on November 23rd after receiving a lethal dose of radioactive polonium 210.
