On average, 250,000 barrels of crude oil are delivered from Russia per day the via the southern leg of the Druzhba pipeline to Hungary, Slovakia and the Czech Republic.

Hungary's MOL and Unipetrol, controlled by PKN Orlen, are the main buyers of oil via the route.

The price of MOL reacted violently to the news, falling by 4% in the early afternoon. 

 

Meanwhile, Russian news agency Ria Novostyi reported that it was Ukrainian state company Ukrtransnafta who stopped oil pumping through the pipeline.

According to Russian sources, the company stopped the delivery of Russian oil to Europe on the morning of August 4.