One of Russian President Vladimir Putin's most vocal critics, Vladimir Kara-Murza Jr., suddenly collapsed and lost consciousness and his wife says he has all the signs of a poison victim.
He's been hospitalized with "symptoms of poisoning," said his wife, Yevgenia, Fox News reported.
Kara-Murza's father told Russian media "the situation appears to be more serious than we thought," and "his lungs are being artificially ventilated" and he's "connected to 10 devices."
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His hospitalization comes just three months after one of his close political friends, Boris Nemtsov, was gunned down and killed nearby the Kremlin.
Kara-Murza, 33, works with Open Russia, a nongovernmental organization that just released a documentary that paints Putin in a poor light by drawing a connection between him and Ramzan Kadyrov, a Chechen who's accused of torture and murder, Fox News said. Kara-Murza has worked out of Washington, D.C., for some time, and congressional members know him well.
"I am deeply concerned about the mysterious illness of Vladimir Kara-Murza, especially given the recent murder of Boris Nemtsov and the number of Putin's opponents who have been poisoned," said Rep. Chris Smith, from New Jersey.
A friend of the Kara-Murza family, Andrei Bystrov, said to the Telegraph: "Doctors have just confirmed that he was poisoned. As to what with, they can't say yet. It could be anything."
Kara-Murza's family is trying to arrange transportation for him to get treatment in Europe.