PRAGUE - A fall in gas flows from Russia to two Eastern European countries this week has sent a chill through the region as it prepares for possible energy shortages this winter.
Ukraine's Energy Challenge
Wall Street Journal: Eastern Europe braces for energy shortages as Russian gas flows fall
A compressor station of Ukraine's Naftogaz national oil and gas company near the northeastern Ukrainian city of Kharkiv on Aug. 5, 2014.
