Russian crude deliveries to Hungary and Slovakia via the Druzhba pipeline were suspended on Monday after a transformer station on the line was damaged in what Budapest says was a Ukrainian attack, according to Hungarian Foreign Minister Péter Szijjártó. Szijjártó said he spoke with Russian Deputy Energy Minister Pavel Sorokin, who told him specialists are working to repair the facility, but there is no estimate for when flows will resume. The Druzhba link supplies most of Hungary’s oil imports and is also the primary route for land-locked Slovakia. Slovak pipeline operator Transpetrol confirmed that shipments to Slovakia had stopped, while Hungarian energy group MOL said regional supply remains assured for now through inventories and alternative sources. Neither Ukraine’s defence ministry nor MOL commented directly on the reported strike. Ukrainian Foreign Minister Andrii Sybiha neither confirmed nor denied Kyiv’s involvement. Writing on X, he argued that Hungary should address its energy complaints to Moscow, “the party that started this war.” The halt follows a separate drone attack last week on Russia’s Uniecha pumping station in Bryansk region, underscoring the growing vulnerability of cross-border energy infrastructure.