Russian natural gas producer Gazprom put Ukraine's total gas debt at almost $29.5 billion on Thursday, ratcheting up pressure in a gas pricing dispute with the country, which is fighting a pro-Moscow rebellion on its eastern outskirts.

• May 28, 2015

South Korea called on Saturday for deeper cooperation with Japan on a China-led development bank, while Japan remained cautious about the lender, which it and ally the United States have held back from joining.

• May 23, 2015

Thirty-two energy companies led by Russia's Gazprom account for almost a third of all man-made greenhouse gas emissions if the burning of all the coal, oil and gas they produce is taken into account, a study said on Wednesday.

• May 20, 2015

Russia may allow around 20 firms from Hungary, Cyprus and Greece to return to its market after it orders the lifting of an embargo on food imports from the European Union, Interfax news agency quoted a senior official as saying on Tuesday.

• May 19, 2015

Oil prices fell more than 3 percent on Tuesday, with U.S. crude extending losses for a fifth straight day, as the dollar rallied amid evidence that the United States and top oil exporter Saudi Arabia were pumping more than the world needed.

• May 19, 2015

Greece's government could ask for an emergency meeting of euro zone finance ministers at the end of the month, the government spokesman said on Thursday, referring to the end-May date by which it hopes to have a deal with its lenders on reforms.

• May 18, 2015

China and India signed 26 business deals worth more than $22 billion in areas including renewable energy, ports, financing and industrial parks, an Indian embassy official said on Saturday.

• May 16, 2015

A slowdown in Germany weighed on the euro zone in the first quarter, but the bloc's economy still grew at its fastest in almost two years as cheap food and fuel boosted spending and a central bank stimulus program kicked in.

• May 13, 2015