A separatist conflict in eastern Ukraine is revealing increasing evidence, but not yet conclusive legal proof, of Russian state involvement, senior United Nations human rights officials said on Monday.

• June 1, 2015

Russia said on Monday any U.N. Security Council resolution allowing for the use of force in the Mediterranean to stop gangs smuggling migrants must define the powers of an EU naval mission precisely to win Moscow's backing.

• June 1, 2015

French President Francois Hollande and German Chancellor Angela Merkel have called on Russian President Vladimir Putin to rapidly implement measures agreed under the Feb.12 Minsk ceasefire, Hollande's office said in a statement.

• May 29, 2015

President Vladimir Putin ordered on Thursday that deaths of Russian soldiers during special operations in peacetime should be classified as a state secret, a move that comes as Moscow stands accused of sending troops to fight in eastern Ukraine.

• May 28, 2015

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

Ukraine's defense minister said on Thursday Russia had moved forces into eastern Ukraine and there was a risk of fighting resuming between the army and pro-Russian separatists in coming months.

• May 28, 2015

Russia's army is massing troops and hundreds of pieces of weaponry including mobile rocket launchers, tanks and artillery at a makeshift base near the border with Ukraine, a Reuters reporter saw this week.

• May 27, 2015

The chief of Israel's air force on Wednesday played down worries voiced by some fellow officials about the possibility of Egypt acquiring advanced Russian-made air defenses.

• May 27, 2015