UPDATE 1-Russia-Ukraine row over Crimea escalates as Moscow cuts coal to Kiev
November 27, 2015 at 05:13 AM EST
KIEV, Nov 27 (Reuters) - Russia has begun to restrict coal supplies to Ukraine, Energy Minister Volodymyr Demchyshyn told parliament on Friday, days after the Kremlin threatened to punish Kiev for a power blackout of Russian-annexed Crimea.