South Korean President Moon Jae-in has ordered a probe after the Defence Ministry failed to inform him that four more launchers for the controversial U.S. THAAD anti-missile system had been brought into the country, his spokesman said on Tuesday.

• May 30, 2017

A top European Commission official said on Friday European Union members would be asked within days to give the bloc's executive a mandate to negotiate with Russia over the Nord Stream 2 gas pipeline, which has bitterly divided the bloc.

• May 26, 2017

Oil jumped more than 2 percent to its highest in more than three weeks on Monday, topping $52 a barrel after Saudi Arabia and Russia said that supply cuts need to last into 2018, a step toward extending an OPEC-led deal to support prices for longer than first agreed.

• May 15, 2017

Bulgaria is seeking private investors to build a nuclear power plant on the Danube River, which was canceled five years ago, Prime Minister Boiko Borisov said during a phone call with Russian President Vladimir Putin on Thursday.

• May 11, 2017

Oil prices closed 1.5 percent higher on Friday, rebounding from five-month lows, following positive U.S. jobs data and assurances by Saudi Arabia that Russia is ready to join OPEC in extending supply cuts to reduce a persistent glut.

• May 5, 2017

The United States will not make an exception for American companies, including oil major Exxon Mobil Corp, seeking to drill in areas prohibited by U.S. sanctions on Russia, Treasury Secretary Steven Mnuchin said on Friday.

• April 22, 2017

Iran has challenged the need for it to ship sensitive material abroad if its stock exceeds a limit set by its nuclear deal with major powers.

• March 17, 2017

Venezuelan state oil company PDVSA has offered Russian counterpart Rosneft a stake in a joint venture in the country's Orinoco Belt extra-heavy crude area, five industry sources said, in a sign of the Latin American nation's dire economic situation and Moscow's growing muscle there.

• March 16, 2017