Primary oil processing at Russia's Novokuibyshevsk refinery, which is operated by the Rosneft oil company, has been halted since August 2 following a Ukrainian drone attack last week, two industry sources said.

The Ryazan oil refinery, operated by Russian oil giant Rosneft, halted roughly half of its processing capacity following a drone strike on 2 August. Source: Reuters Details: According to sources, two major refining units were shut down after the attack – CDU-3 with a capacity of 8,