Preparing the ground for a much-discussed visit in Moscow (8-9 April), Greek Prime Minister Alexis Tsipras reiterated his opposition to EU sanctions against Moscow, adding that debt-ridden country’s ambition is to upgrade its relations with Russia.

Talks between the P5+1 nations and Iran have failed to reach a conclusive outcome by the self-imposed 31st March deadline. The P5+1 nations and Iran have extended talks for a further 24 hours, in the hope that an outline agreement over Iran’s nuclear programme could be reached.

The United States will struggle to follow through on threats to impose deeper sanctions on the Russian energy sector, as European fears over collateral economic damage leave President Barack Obama's administration with diminished options.

Total SA is seeking the equivalent of up to $15 billion in Chinese financing to fund its expansion in Russia, its chief executive said, as U.S. sanctions complicate the French oil giant’s big bet there.

From the first day of the summit of EU leaders in Brussels, the message resonated loudly: there seems to be one single front against Russia and toward the creation of the Energy Union, while a widespread criticism over the European approach to the Greek saga emerged amid tensions.

Russian billionaire Mikhail Fridman is preparing to sell a dozen North Sea gasfields at the heart of a fierce row over ownership, in a move that would avert a high-profile legal battle with the UK government.

As the West tightened its grip on Russia with sanctions, particularly in energy, following the annexation of Crimea last year, the European Union is trying to expand its cooperation to counter Russia's dominant position in energy sector.

Statoil ASA plans to drill four wells in Russia with state oil company OAO Rosneft, targeting heavy oil fields, showing Norway’s biggest energy producer is deepening its involvement in the country against the backdrop of international sanctions.

Russian oligarch Mikhail Fridman’s investment fund said Wednesday it sent a “detailed response” to U.K. government objections to its deal to take over offshore natural-gas fields amid a period of icy relations between Moscow and the West.

Ukraine is facing existential challenges, and energy security is one of them. The country is dependent on Russia supplying most of its natural gas as well as uranium fuel for its nuclear reactors. Under these very difficult circumstances, a government with a holistic view of its strategic security and energy goals would logically develop a policy aimed at encouraging increased domestic oil and gas production. Unfortunately, Kyiv is doing the opposite.

The International Monetary Fund on Wednesday approved a bigger, high-risk bailout for Ukraine, giving Kiev immediate access to $5 billion of $17.5 billion in emergency IMF credit in another bid to keep the embattled country afloat.

Russian billionaire Mikhail Fridman began building an international energy company on Monday, closing a €5.1 billion ($5.7 billion) purchase of German utility RWE AG ’s oil-and-gas business over British opposition that could force the sale of the unit’s U.K. assets.

Russian billionaire Mikhail Fridman said on Monday he would buy a number of gas licenses in the North Sea despite British opposition, threatening legal action if London should force him to sell them on to a third party.

John Browne, the former chief executive of BP, will take charge of a $10 billion oil and gas venture backed by Russian billionaire Mikhail Fridman to help it expand internationally through partnerships and acquisitions, the Financial Times reported.

The UK has blocked the sale of North Sea gasfields from Germany’s RWE to a multibillion-dollar investment fund backed by Russian billionaire Mikhail Fridman.