Ukraine said over the weekend that its strikes on Russian oil facilities have reduced production so much that Russia is now having to import fuel for its warplanes.

On Saturday, Ukraine’s GUR, the country’s military intelligence agency, said that “systematic and precise strikes by Ukraine’s Defense Forces against Russia’s oil-refining network have led to a significant reduction in jet fuel production in the Russian Federation.”

It said that Russia’s increasing air attacks against Ukraine, “combined with the need to sustain civilian air transport, have resulted in a shortage of domestic resources.”

“To meet the needs of military and civilian…