Gazprom
19 Jun
An Italian energy firm says the Russian company is slashing its deliveries by 50%. France's gas operator says it has not received any natural gas from Russia via its pipeline from Germany for more than a month.
4 Jun
Russian energy firm Gazprom says it has suspended supplies of gas to the Netherlands after payments were not made in rubles.
1 May
The suspensions are the first since Russia insisted foreign buyers pay for gas in rubles. Both Poland and Bulgaria have said Gazprom are in breach of contact.