<p><img src="https://static5.businessinsider.com/image/6019167c6dfbe10018e01373-2400/GettyImages-1230924162.jpg" border="0" alt="MOSCOW, RUSSIA FEBRUARY 2, 2021: Opposition activist Alexei Navalny appears at Moscow City Court for a Simonovsky District Court hearing into an application by the Russian Federal Penitentiary Service to convert his suspended sentence of three and a half years into a real jail term. Navalny, who had been wanted in Russia since December 2020 for violating probation conditions in the Yves Rocher case, was detained at Sheremetyevo Airport near Moscow on his return to Russia from Germany on 17 January 2021. On 18 January, Moscow Regions Khimki Court ruled that Navalny be put into custody until 15 February 2021. Moscow City Court Press Service/TASS THIS IMAGE WAS PROVIDED BY A THIRD PARTY. EDITORIAL USE ONLY (Photo by Moscow City Court Press OfficeTASS via Getty Images)" data-mce-source="Moscow City Court Press OfficeTASS via Getty Images" data-mce-caption="Alexei Navalny seen at Moscow City Court for a hearing on February 2, 2020."></p><p></p><bi-shortcode id="summary-shortcode" data-type="summary-shortcode" class="mceNonEditable" contenteditable="false">Summary List Placement</bi-shortcode><p>Alexei Navalny announced he's going on a hunger strike in a Russian prison until he's able to see a doctor.</p><p>Navalny is currently serving a two-and-a-half-year prison sentence for missing parole hearings while recovering from being poisoned in Russia.</p><p>"The right to invite a specialist for examination and consultation exists for every convict. Even for me, despite the fact that I'm not guilty," <a href="https://twitter.com/navalny/status/1377274773592551424">he said on Twitter</a>. "That's why I am urging that a doctor be allowed to see me, and until that happens, I am going on a hunger strike."</p><p><em>This is a developing story. Please check back for updates. </em></p><p><a href="https://www.businessinsider.com/alexei-navalny-hunger-strike-russian-jail-2021-3#comments">Join the conversation about this story »</a></p> <p>NOW WATCH: <a href="https://www.businessinsider.com/london-streets-left-deserted-during-covid-19-lockdown-2020-3">Inside London during COVID-19 lockdown</a></p> Click here to read full news..