Russia's Navalny accuses authorities of using prison to break his health

FILE PHOTO: Russian opposition leader Alexei Navalny is seen on a screen via video link from the IK-2 corrective penal colony in Pokrov before a court hearing to consider an appeal against his prison sentence, in Moscow, Russia May 17, 2022. REUTERS/Evgenia Novozhenina

(Reuters) - Jailed Russian opposition politician Alexei Navalny said on Monday he was suffering worsening back pain from long spells in solitary confinement that he said were part of a deliberate strategy by the authorities to undermine his health.

In a post on Twitter, he also complained of being injected with unknown drugs.