The Russian Foreign Ministry summoned the Polish ambassador to Moscow on September 25 after graves of Soviet soldiers were vandalized in a Polish village.

• September 26, 2015

British Foreign Secretary Philip Hammond has said that Russia’s presence in Syria reinforces President Bashar al-Assad and "increases their moral responsibility in crimes committed by the regime."

• September 25, 2015

Russian President Vladimir Putin is preparing for unilateral air strikes against Islamic State in Syria if the United States rejects his proposal to join forces, Bloomberg reported on Wednesday, citing two people familiar with the matter.

• September 24, 2015

Russia, Ukraine, and the European Union are set to resume talks aimed at restoring Russian gas supplies to Ukraine, the Russian energy minister has said.

• September 24, 2015

Russian Foreign Minister Sergei Lavrov said on Wednesday the United States was increasingly receptive toward Moscow's position on the conflict in Syria, an assertion quickly disputed by Washington.

• September 23, 2015

Ukraine pressed NATO on Tuesday for Western weaponry to help defend itself against pro-Russian separatists but the head of the alliance resisted for fear of threatening a fragile ceasefire with Russian-backed rebels.

• September 22, 2015

Rebels who have inflicted big losses on Syrian President Bashar al-Assad say Russia's intervention in support of its ally will only lead to an escalation of the war and may encourage the rebels' Gulf Arab backers to pour in more military aid.

• September 21, 2015

Israel and Russia agreed on Monday to coordinate military actions over Syria in order to avoid accidentally trading fire, Prime Minister Benjamin Netanyahu said during a visit to Moscow.

• September 21, 2015