The European Union's 28 member states have been stockpiling gas in record quantities as they prepare for the possibility that Russia may turn off the tap that provides a vital energy lifeline to the continent. And for the first time ever, Europe’s collective storage tanks are almost full - containing almost 80 billion cubic metres of gas - almost a fifth of the bloc's yearly useage.
Ukraine's Energy Challenge
Independent: Fear over Russian gas switch-off sees EU states stockpile supplies
Russia's gas giant Gazprom CEO, Alexei Miller, attends a press conference following the world biggest gas company's annual meeting in Moscow, on June 27, 2014.
