Ukraine don accuse Moscow say dem dey wage "gas war" against Europe and cut supplies to cause "terror" on pipo.
Russia energy company Gazprom announce once again say dem dey reduce gas flow to Germany to allow work on one turbine on di Nord Stream 1 pipeline.
But Ukraine President Volodymyr Zelensky say e be simply "gas blackmail" against Europe.
Di Nord Stream 1 pipeline, wey dey pump gas from Russia to Germany, bin dey run wella below capacity for weeks.
Earlier dis month, Russia biggest European pipeline dey completely shut down for one 10-day maintenance break, spark fear for Europe say shipments fit no resume at all.
Shipments no restart five days ago - though still for reduced capacity.
But on Monday, Gazprom announce say dem go still cut dia gas supply further once again.