Russia, Iran, Qatar discuss OPEC-style gas cartel

TEHRAN, Iran

The prospect has raised concern in the United States and around the 27-nation European Union, which depends on Russia for nearly half of its natural gas imports. Moscow, which controls many of the European pipelines delivering gas from Russia and Central Asia, already has a tight hold on supplies.

Russia has been accused of using energy as a weapon, in particular in its disputes with neighboring Ukraine. European Union leaders have said they would stand against any Russian effort to create a gas cartel, fearing energy prices