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As Russian forces intensify their offensive in eastern Ukraine, Ukrainian artillery are marching in retaliation for the Russian offensive.
Russia, which failed to capture the Ukrainian capital Kiev and its second largest city, Kharkiv, has been mounting a major offensive, amassing thousands of Russian troops in an attempt to seize parts of eastern Ukraine.
Meanwhile, Ukrainian artillery are advancing towards the eastern Ukrainian city of Kramadorsk in retaliation for Russian forces intensifying their offensive in the Donbass region.