Russia's Tuapse oil refinery, which is owned by Rosneft, has yet to restart its sole primary processing CDU-12 unit after a pump was damaged by a fire on Wednesday, the energy ministry said.
Plant officials earlier said no-one was injured and the fire was quickly put out at the Black Sea refinery.
(Reporting by Natalia Chumakova and Maxim Nazarov; Writing Vladimir Soldatkin)