Russia's state-owned gas giant Gazprom warned Feb. 24 it could cut off gas deliveries to Ukraine within two days, upping the stakes in the crisis there -- and threatening supplies to the rest of Europe.
Ukraine's Energy Challenge
Russia’s Gazprom threatens to cut off gas to Ukraine, Europe
A picture taken on Oct. 21, 2014 shows pressure valves and pipes at a gas pumping station in Donetsk.
