Ukrainian border guards stand grim-faced and nervous at the remote Marynivka checkpoint on the frontier with Russia, fearing an attack by pro-Moscow separatists at any time.
Russia's War Against Ukraine
Reuters: In Ukraine separatists battle to control border with Russia
Ukrainian border guards stand guard at their unit near the border with Russia, not far from the village of Alexeyevskoye, some 100 km from the eastern city of Donetsk, on April 18, 2014.
