Inside Russia's penal colonies: A look at life for political prisoners caught in Putin's crackdowns
By Dasha Litvinova
Russian police arrest more than 100 Navalny supporters, group says
By Grant Mccool & David Ljunggren
Protests, poisoning and prison: The life of Kremlin opposition leader Alexei Navalny
By Joanna Kozlowska & Dasha Litvinova