AP - Five European countries and Turkey are facing a shutoff of natural gas flowing through pipelines across Russia from Ukraine, while others face shortages. Here are basic facts about Russian gas and Europe:
AP - The Russia-Ukraine natural gas dispute hit Europe with the force of a winter storm Tuesday, cutting or limiting supplies to at least a dozen nations. Tens of thousands of people were left without heat and governments scrambled to find alternate energy sources.
AP - A natural gas crisis loomed over Europe on Tuesday, as a contract dispute between Russia and Ukraine shut off Russian gas supplies to six countries and reduced gas deliveries to several others.
Reuters - Russia sharply cut gas flows to Europe via Ukraine on Tuesday in a dramatic worsening of a pricing dispute with Kiev that threatened to disrupt supplies as far west as Italy and Germany.
AFP - The situation with deliveries of Russian gas to Europe "changed very dramatically" overnight and is "getting worse," a top member of a European Union delegation in Kiev said on Tuesday.
AFP - Russia and Ukraine traded blame Tuesday as a dispute between the two bitter ex-Soviet rivals triggered major gas cuts in Europe in a dramatic escalation the EU slammed as unacceptable.
Reuters - All supplies of Russian gas via Ukraine to Bulgaria, Turkey, Greece and Macedonia were halted on Tuesday due to a dispute between Moscow and Kiev over gas prices, officials in Sofia said.