Talks began on Friday to mark out a 30-km (19-mile) buffer zone between Ukrainian government forces and pro-Russian separatists in the country's east, but Moscow was coy about its role and denied that Russian military officials had taken part.

• September 26, 2014

Russia moved to wrest control of an oil company from oligarch Vladimir Yevtushenkov on Friday, seizing his conglomerate Sistema's (AFKS.MM) shares in the firm and deepening investors' fears the Kremlin wants to reclaim prized state assets.

• September 26, 2014

While most Russian oil tycoons and Kremlin energy officials are calculating billions of losses that could result from Western sanctions, one of them is counting his blessings.

• September 26, 2014

The European Union is likely to keep sanctions on Russia in place for now when ambassadors meet next week to assess progress in implementing Ukraine's peace process, diplomats said.

• September 25, 2014

Rosneft (ROSN.MM), Russia's biggest crude oil producer, may back out of a deal to buy Morgan Stanley (MS.N)'s oil trading unit because Western sanctions make it virtually impossible to finance day-to-day operations, three sources close to the state-controlled company said.

• September 25, 2014

Russian courts could get the green light to seize foreign assets on Russian territory under a draft law intended as a response to Western sanctions over the Ukraine crisis.

• September 25, 2014

NATO has observed a significant withdrawal of Russian forces from inside Ukraine, but many Russian troops remain stationed nearby, an alliance military spokesman said on Wednesday.

• September 24, 2014

Japan said on Wednesday it was imposing additional sanctions on Russia because of its involvement in the Ukraine conflict and that it had also formally protested at the visit to a contested island by an aide to Russian President Vladimir Putin.

• September 24, 2014