FILE - Russian opposition leader Alexei Navalny is seen on a TV screen, as he appears in a video link provided by the Russian Federal Penitentiary Service in a courtroom of the Second Cassation Court of General Jurisdiction in Moscow, Russia, on Oct. 18, 2022. Allies of Navalny are sounding the alarm and saying that neither they nor his lawyers have heard from him in six days. Navalny is serving a 19-year prison term on the charges of extremism. He was due to appear in court Monday, Dec. 11, 2023 via video link but didn’t. (AP Photo, File) FILE PHOTO
