Russian oil company Gazprom Neft, a subsidiary of the energy giant Gazprom, has been given 45 days to divest from its ownership of the Serbian oil company NIS following new US sanctions targeting the Russian oil sector.

Britain has imposed new sanctions on Russian oil majors Gazprom Neft and Surgutneftegaz, the foreign ministry on Friday. The measures, which included asset freeze and transport sanctions, comes as the U.

The UK has imposed sanctions on Russian companies Gazprom Neft and Surgutneftegaz for the first time. The restrictions will affect Russia's oil revenue, according to the UK government's press service.