Supporters of presidential candidate, President Vladimir Putin gather for a pre-election rally at the Luzhniki stadium in Moscow on March 3, 2018. Russians will go to the polls on March 18, 2018. / AFP PHOTO / Kirill KUDRYAVTSEVKIRILL KUDRYAVTSEV/AFP/Getty Images
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Critically ill man is former Russian spy
A former Russian spy is in critical condition after what police in southwest England described as "suspected exposure to an unknown substance," a source familiar with the investigation told CNN.
03:15 - Source: CNN
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Supporters of presidential candidate, President Vladimir Putin gather for a pre-election rally at the Luzhniki stadium in Moscow on March 3, 2018. Russians will go to the polls on March 18, 2018. / AFP PHOTO / Kirill KUDRYAVTSEVKIRILL KUDRYAVTSEV/AFP/Getty Images
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Critically ill man is former Russian spy
03:15
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- Source: CNN