A dramatic shift in Russia's military posture on Ukraine's borders has prompted military analysts to wonder whether Vladimir Putin is considering an all-out invasion of his neighbour.
Financial Times: Russia plans Ukrainian border war games (VIDEO)
(FILES) A man stands near a trainload of modified T-72 Russian tanks after their arrival in Gvardeyskoe railway station near the Crimean capital Simferopol, on March 31, 2014.
