Polar bears  in the Novaya Zemlya archipelago, located in the Arctic Ocean, North of Russia. Photograph:  The Siberian Times

Russia is battling an unprecedented invasion of polar bears on a remote Arctic archipelago that is home to the country’s most northerly military base.(...)

The unnamed teenager  suspected of detonating a home-made bomb in the lobby of an office of the Russian Federal Security Service   in Arkhangelsk.  Photograph: Reuters

Russia opened an investigation into suspected terrorism after a 17-year-old youth blew himself up on Wednesday in the lobby of an office belonging to (...)

Russian opposition leader Alexei Navalny waves from behind the window of a police station in Moscow on Friday following his arrest. Photograph: Maxim Zmeyev/AFP/Getty Images

Police in Moscow detained Alexei Navalny, a Russian opposition politician and anti-corruption crusader, on Friday, hours before he was to address his (...)