Two Ukrainian energy companies have asked a U.N. arbitrator to award them compensation for investments they lost when Russia seized control of the Crimean peninsula, the Permanent Court of Arbitration (PCA) said on Monday.

• May 2, 2016

Talks on concluding Greece's bailout review to unlock new funds and debt relief are progressing only slowly and no deal is likely at a special meeting of euro zone finance ministers on May 9, two sources close to the talks said on Monday.

• May 2, 2016

Washington and Moscow said on Monday they were working hard to extend a truce in Syria to Aleppo, the divided northern city where a sharp escalation of violence in recent weeks has left a ceasefire in tatters and torpedoed peace talks.

• May 2, 2016

Turkish Prime Minister Ahmet Davutoglu said on Saturday around 20 Syrians had been readmitted to Turkey under an EU migrant deal designed to help stem migration to Europe across the Aegean Sea.

• April 30, 2016

Russia said on Saturday it had sent a fighter plane on Friday to intercept a U.S. aircraft approaching its border over the Baltic Sea because the American plane had turned off its transponder, which is needed for identification.

• April 30, 2016

China and Japan both expressed a willingness to improve strained relations on Saturday after a rare meeting between their two foreign ministers in Beijing, though China said Japan should stop pushing the notion that China is a threat.

• April 30, 2016

The White House on Friday said talks to install a new anti-missile defense system in South Korea would continue in the wake of nuclear arms and missile tests by North Korea despite calls by China and Russia for the United States to back off.

• April 29, 2016

The United States said on Friday it was in discussions with Russia about trying to renew the cessation of hostilities in Syria following the deadly bombing this week of a hospital in Aleppo.

• April 29, 2016