An escalation of violence in eastern Ukraine in recent days has once again left western governments and military strategists trying to understand the strategy of pro-Russian rebels and their supporters in the Kremlin.
Russia's War Against Ukraine
Financial Times: Ukraine fighting points to Russia designs for puppet state
A Ukrainian serviceman wearing cammouflage lies in a pick-up truck as he prepares to take up a position on the frontline near the southern Ukrainian city of Mariupol on Jan. 26, 2015.
