Russian opposition leader Alexei Navalny looks on ahead of a hearing at the European Court of Human Rights (ECHR) in Strasbourg on November 15, 2018. - ?Top Kremlin critic Alexei Navalny heads on November 15 to the European Court of Human Rights whic NEW YORK - Russian opposition politician Alexei Navalny is in a coma and on a ventilator in a hospital intensive care unit after falling ill from suspected poisoning that his allies believe is linked to his political activity.The 44-year-old foe of Russia's President Vladimir Putin felt unwell on a flight back to Moscow from Tomsk, a city in Siberia, and was taken to a hospital after the plane made an emergency landing in Omsk, Navalny's spokeswoman Kira Yarmysh said on Twitter.“He is in a coma.