CNN's Phil Black reports on efforts to treat the sick and wounded at the center of the battle in eastern Ukraine.
Russia's War Against Ukraine
CNN: Battle continues for wounded in Ukraine (VIDEO)

Pro-Russian militant ride on a tank taken from Ukrainian forces during fighting in August, on their way to test fire in open fields, in the eastern Ukrainian town of Ilovaisk, some 40 kms east of Donetsk, on Nov. 18 2014.