Putin critic Alexei Navalny dies in Arctic Circle jail, says RussiaRussia's most significant opposition leader for the past decade, Alexei Navalny, has died in an Arctic Circle jail, the prison service has said. President Vladimir Putin's most vociferous critic, he was serving 19 years on extremism charges that were widely seen as politically motivated.
Mikhail Gorbachev: Last Soviet leader dies aged 91
