A pressure gauge is pictured at an underground gas storage facility in the village of Mryn, 120 km (75 miles) north of Kiev in this May 21, 2013 file photo. As bankers, traders and investors gathered ... more 
A pressure gauge is pictured at an underground gas storage facility in the village of Mryn, 120 km (75 miles) north of Kiev in this May 21, 2013 file photo. As bankers, traders and investors gathered at Gazprom's London offices for its annual champagne reception, the message from the world's most powerful gas trader was clear: the Russians don't want another gas war with Ukraine. REUTERS/Gleb Garanich/Files (UKRAINE - Tags: BUSINESS ENERGY POLITICS) less 
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Reuters | Photo By GLEB GARANICH / REUTERS
Thu, Mar 6, 2014 2:41 PM EST