A firefighter extinguishes fire as he participate in a drill simulating a fire incident near a gas compressor station near the village of Volovets, western Ukraine, October 7, 2015. Ukraine might start buying natural gas from Russia before a final winter gas agreement is signed, news agency Interfax Ukraine quoted Ukrainian Energy Minister Volodymyr Demchyshyn as saying on Wednesday. (Photo by Gleb Garanich/Reuters)
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