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Alexei Navalny, Rival to Putin, in Critical Condition After Suspected Poisoning

MOSCOW—Russian opposition politician Alexei Navalny, a intense critic of President Vladimir Putin and Moscow’s political elite, was admitted to intensive care at a Siberian medical center immediately after a suspected poisoning left him unconscious, his spokeswoman reported.

Mr. Navalny began experience unwell immediately after ingesting tea early Thursday in advance of a flight to Moscow from the Siberian city of Tomsk, Kira Yarmysh wrote on Twitter. The aircraft manufactured an crisis landing in the city of Omsk, where by Mr. Navalny was admitted to the medical center, she additional.