Polonium

• Showdown looms between Britain, Russia as deadline expires for nerve attack explanation

  London gave Moscow until midnight to explain how a Soviet-era nerve weapon was used against a former Russian double agent.

  Politics

  Mar 13, 2018
  
• Russian ex-spy mystery: Here’s what we know about nerve-agent attack on Sergei Skripal

  Here’s what we know about Sergei Skripal and British-Russia espionage history.

  World

  Mar 7, 2018
  
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• How former Russian spy Alexander Litvinenko was killed with Polonium

  A British judge has published a report on the 2006 death of former Russian agent Alexander Litvinenko, saying President Vladimir Putin probably approved a plan by the Russian security service to kill him with poison.

  World

  Jan 21, 2016
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• UK announces inquiry for Russian spy death

  The British government announced plans Tuesday for a wide-ranging public inquiry into the mysterious 2006 death of poisoned former Russian agent Alexander Litvinenko.

  World

  Jul 22, 2014
• French experts say there’s no proof Yasser Arafat was poisoned: widow

  Extensive reports by French scientists into Palestinian leader Yasser Arafat's death have ruled out poisoning by radioactive polonium, his widow said Tuesday.

  World

  Dec 3, 2013
• Explainer: What is polonium and how deadly is it?

  The deadly radioactive element polonium first hit the headlines when it was used to kill KGB agent-turned-Kremlin critic Alexander Litvinenko in London in 2006. Here are some facts about polonium.

  Science

  Nov 7, 2013
• Swiss scientists say Arafat polonium poisoning could not have been accidental

  Palestinian leader Yasser Arafat ingested lethal radioactive polonium before his death nine years ago and had high levels of it in his body that could not have been accidental, Swiss scientists confirmed Thursday.

  World

  Nov 7, 2013
• Arafat widow says his successors must seek justice

  The Palestinian leadership must seek justice for Yasser Arafat after Swiss scientists found evidence suggesting he may have been poisoned by a radioactive substance, his widow said Thursday.

  World

  Nov 7, 2013