MOSCOW, June 2 (Reuters) - A fire broke out at an oil refinery owned by Russian oil major Lukoil in the city of Ukhta in the Komi Republic, a region in the northwest of Russia, news agencies cited regional authorities as saying on Sunday.
Agencies quoted the regional administration as saying on Telegram that a fire had broken out in an RVS-10000 tank at the refinery, four kilometers (2.5 miles) from Ukhta.
Lukoil did not immediately respond to a request for comment.
It was not immediately clear what had caused the fire. (Reporting by Reuters; Writing by Alexander Marrow; Editing by Frances Kerry and Hugh Lawson)
