Russia may suspend or even terminate the agreement on the supply of petroleum products, natural gas and rough diamonds to Armenia, Russian Energy Minister Sergei Tsivilyov threatened. Kommersant writes about his letter addressed to the Armenian Ministry of Infrastructure. The Russian minister explained this by Yerevan's desire to join the European Union: "Continuing practical steps to deepen Armenia's cooperation with the European Union and declared by the Armenian government the desire to join the EU jeopardize the preservation and development of a fundamentally high level of Russian-Armenian trade, economic and investment cooperation, one of the foundations of which are bilateral international treaties.