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

Syrian government forces used newly arrived Russian warplanes to bombard Islamic State insurgents in Aleppo province in northern Syria, a group monitoring the civil war said on Thursday, in an attempt to break a siege on a nearby air base.

• September 24, 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

An Israeli-Russian coordination team set up to prevent the countries accidentally trading fire in Syria will be headed by their deputy armed forces chiefs and will hold its first meeting by Oct. 5, an Israeli military officer said on Thursday.

• 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

Russia has rebuffed calls for a more ambitious plan to cut its carbon dioxide emissions after environmentalists branded its current pledge inadequate and backward-looking.

• September 23, 2015

Russia is planning a second major military base near the border with Ukraine, where NATO accuses Russian troops of helping pro-Moscow separatists fight Kiev's forces.

• September 23, 2015