Lukoil will have "an obligation" to sell its local refinery Petrotel before next month's deadline, Romania's state secretary for energy, Cristian Bușoi, told Politico in the context of the sanctions set by the US against two Russian oil companies.

Bulgaria is preparing measures to secure uninterrupted supplies of oil and oil derivatives after the U.S. imposed sanctions on Russia's Lukoil , which runs the country's biggest oil refinery, Energy Minister Zhecho Stankov said on Friday.