A senior Iranian nuclear official says Russia will begin construction on two new nuclear reactors in Iran next week.

• December 22, 2015

Swiss commodities trader Trafigura is expanding its ties with Russia's Rosneft (ROSN.MM) and is set to become the biggest buyer from the sanctions-hit Kremlin oil major when it adds refined products to its already huge purchases of crude oil.

• December 21, 2015

Iranian nuclear officials say Tehran will export most of its enriched uranium stockpile to Russia in the coming days as it implements a nuclear deal to secure relief from international sanctions.

• December 20, 2015

Ukraine accused Russia on Wednesday of looting two of its oil rigs after Crimea-based oil and gas firm Chornomornaftogaz moved the equipment off the coast of the annexed peninsula into Russian waters.

• December 16, 2015

Turkish officials say Russia has stopped construction work at Turkey's first planned nuclear power plant, amid a bitter row between Moscow and Ankara.

• December 9, 2015

Oil prices plummeted to their lowest levels since the depths of the global recession in February 2009 as investors braced for a flood of Iranian oil in an already glutted market.

• December 8, 2015

Turkish President Recep Tayyip Erdogan says that Ankara may find alternatives to buying Russian oil and gas as bilateral relations deteriorate over the downing of a Russian warplane.

• December 7, 2015

Russia, Iran, and Iraq have quashed a plan reportedly being eyed by Saudi Arabia to lift sagging global oil prices through collective cuts in oil output.

• December 7, 2015