SummaryRussian energy giant Gazprom says it won't resume gas supplies to Europe on Saturday as plannedThe Nord Stream 1 pipeline has been shut for three days, and was due to reopen on SaturdayGazprom says there is an oil leak at a compressor station, and released a pictureBut the EU has accused Russia of "fallacious pretenses" and "cynicism"Earlier, the G7 group of nations announced plans for a pr