MOSCOW, January 16. /TASS/. Russia’s Prime Minister Dmitry Medvedev-led government tendered its resignation on January 15. Medvedev has chaired the Russian Cabinet since May 8, 2012. He has been ...

(CNN)Russia may be forced to use a nuclear weapon if Ukraine's counteroffensive succeeds, senior Russian official Dmitry Medvedev said Sunday -- the latest in a series of nuclear threats made ...