"The Russian side reserves the right, in case the Kyiv regime does not comply with this moratorium, of course, not to comply with it either," Kremlin spokesperson Dmitry Peskov said.

Ukraine and Russia had announced a halt on energy strikes after consultations with the U.S. in Riyadh earlier this week.

There have been no reported Ukrainian strikes on Russian energy infrastructure since but Russia has accused Kyiv of targeting the Sudzha gas metering station, which used to be critical transit point for Russian gas exports to Europe