Croatian pipeline operator says sanctions don’t allow it to provide oil shipments to Serbian oil company owned by Russia’s Gazprom Croatian state-owned oil pipeline operator JANAF said it will halt oil supplies to Serbian oil and gas company NIS starting mid-May, due to the latest sanctions introduced by the EU against Russia.

EU member states won’t pay for Russian gas in rubles, the European Commission said on Tuesday, rejecting Moscow’s March 31 deadline for switching payment mechanisms. The announcement comes a day after a similar response from the G7 nations.

The Russian president’s press secretary Dmitry Peskov said on Tuesday his country will not supply natural gas to the European market for free, as euros and dollars will not be accepted from March 31. Peskov was commenting on the possibility of Western companies refusing to pay for gas in rubles.