Gas leaks in Russian pipelines to Europe stoke sabotage fears

FILE - Morning light lights the landfall facility of the Nord Stream 1 Baltic Sea pipeline and the transfer station of the OPAL gas pipeline, the Baltic Sea Pipeline Link, in Lubmin, Germany, on July 21, 2022. Europe is staring an energy crisis in the face. The cause: Russia throttling back supplies of natural gas. European officials say it's a pressure game over their support for Ukraine after Russia's invasion. (AP Photo/Markus Schreiber, File)

Europe was investigating leaks in two Russian gas pipelines that churned up the Baltic Sea with bubbles on Tuesday and raised concerns from Copenhagen to Moscow about sabotage on infrastructure at the heart of a European energy standoff.

But it remained far from clear who might be behind any foul play, if proven, on the Nord Stream pipelines that Russia with European partners spent billions of dollars building.