The penal colony with a hospital for convicts, located in Vladimir, a city 180 kilometers (110 miles) east of Moscow, Russia, Monday, April 19, 2021. The Russian state penitentiary service said opposition leader Alexei Navalny will be admitted to the hospital in another prison after the politician's doctor said he could be near death. Navalny is in the third week of a hunger strike. The prison service also said Monday that Navalny had agreed to take vitamin therapy. (AP Photo/Daniel Kozin)

FILE - In this Feb. 20, 2021, file photo, Russian opposition leader Alexei Navalny stands in a cage in the Babuskinsky District Court in Moscow, Russia. Navalny, who is in the third week of a hunger strike, will be admitted to a hospital in another prison, the Russian state penitentiary service said Monday, April 19, after the politician's doctor said he could be near death. (AP Photo/Alexander Zemlianichenko, File)

A view of the penal colony where a hospital for convicts is located in Vladimir, a city 180 kilometers (110 miles) east of Moscow, Russia, Monday, April 19, 2021. The Russian state penitentiary service said opposition leader Alexei Navalny will be admitted to a hospital in another prison after the politician's doctor said he could be near death. Navalny is in the third week of a hunger strike. The prison service also said Monday that Navalny had agreed to take vitamin therapy. (AP Photo/Sergei Fedotov)

European Union foreign policy chief Josep Borrell speaks as he attends a meeting of EU foreign ministers to discuss the situation in Ukraine, at the European Council building in Brussels, Monday, April 19, 2021. European Union foreign ministers on Monday assessed the bloc's strategy towards Russia in the wake of the military buildup on Ukraine's borders and amid the weakening health of imprisoned opposition leader Alexei Navalny. (Francois Walschaerts, Pool via AP)