“We are trying to do this so that there is a whole menu of options.

We will not implement all of this menu at once ... Of this, the energy sector is the most last resort, if necessary, ”- said one of the sources.

At the same time, some experts believe that without sanctions against the energy sector, Russia's “containment” measures will be insufficient.

Earlier, American leader Joe Biden expressed his readiness to impose serious economic sanctions in the event of Russia's "invasion" of Ukraine.