- What’s behind Russia cutting off natural gas to Bulgaria and Poland?CBS News
- EU accuses Russia of ‘blackmail’ after it cuts gas to Poland, BulgariaFox News
- Russia halts gas exports to Poland and Bulgaria amid war in Ukraine – BBC NewsBBC News
- What is the EU’s stance on Russia’s roubles gas payment demand?Reuters
- Editorial: Russia is doing the west’s work in cutting gas to Bulgaria and PolandThe Independent