Oil futures were lifted Tuesday, ending with gains after a drone attack by Ukraine on a pipeline carrying crude from Kazakhstan across southern Russia curtailed flows.

CPC, an international pipeline consortium carrying non-sanctioned Kazakh oil through Russia to the Black Sea port of Novorossiysk, reported on Monday that it has reduced flows to bypass the pumping station at Kropotkinskaya that was damaged earlier that day.

Oil flow through the Caspian Pipeline Consortium (CPC), a major route for supplying Kazakhstan and exporting to the global market, was reduced by

Kazakhstan is seeking discussions with Ukraine after an attack by its drones on Russian territory affected flows through its important crude export conduit.