"Gazprom's unilateral breach of gas contracts with Bulgaria and Poland is yet another example of Russia's use of energy as a weapon and demonstrates Russia's unreliability as an energy supplier," Blinken tweeted.
Earlier, Gazprom announced a complete suspension of gas supplies to the Bulgarian Bulgargaz and the Polish PGNiG due to non-payment in rubles.
Economist Vasily Koltashov, in an interview with PolitExpert, spoke about the situation with the supply of energy resources to Europe.