Medical staff treat a boy after a suspected chemical attack on his town of al-Khalidiya, in Aleppo, Syria. Photograph: SANA/AP.

Russia on Sunday accused insurgents in Syria of bombarding the city of Aleppo with shells filled with chlorine gas. It claims the gas poisoned 46 peo(...)

A Russian IL-20M (Ilyushin 20m) plane. Russia blamed Israel on Tuesday for the loss of a military IL-20M jet to Syrian fire, killing all 15 servicemen on board. Photograph: Nikita Shchyukin/AFP/Getty Images

Russian president Vladimir Putin moved to ease tensions after a dangerous row erupted between Russia and Israel on Tuesday over the accidental downing(...)

Shadowing  Russian warships? A Walrus-class submarine of the type deployed by the Dutch navy

Russian warships in the eastern Mediterranean Sea have driven away a Dutch submarine shadowing the squadron, the military said. Russian defence minis(...)

Syrian civilians and rescuers gather at site of government forces airstrikes in the rebel-held neighbourhood of Al-Shaar in Aleppo. Photograph: Getty Images

The Syrian-Russian offensive against eastern Aleppo is aimed at striking a decisive blow against opponents engaged in a debilitating war of attrition (...)

Civil Defense members search for survivors at a site hit by an air strike in the rebel-held al-Shaar neighbourhood of Aleppo, Syria. Photograph: Abdalrhman Ismail/Reuters

Russia has rejected US calls to halt the bombardment of Aleppo, the besieged northern Syrian city, vowing to continue its “struggle with terrorists” (...)

Ukraine’s president, Petro Poroshenko, looks on during the Crystal Award ceremony ahead of the opening of the 45th annual meeting of the World Economic Forum in Davos, Switzerland, on Tuesday.  Photograph: Jean-Christophe Bott/EPA

Top diplomats intend to meet today to try to salvage crumbling hopes of a peaceful resolution to the conflict in Ukraine, where officials claim g(...)

Armed people and military trucks are seen near a checkpoint outside a building on the territory controlled by the self-proclaimed Donetsk People’s Republic in Donetsk, eastern Ukraine, November 12, 2014. Photograph: Maxim Zmeyev/Reuters

Ukraine said on Wednesday it was redeploying troops in the east because of fears that separatists will launch a new military offensive, despite Russia(...)

Smoke rises near the traffic control tower of the Sergey Prokofiev International Airport damaged by shelling during fighting between pro-Russian separatists and Ukrainian forces, in Donetsk, eastern Ukraine, today. Maxim Zmeyev/Reuters

Nato has said it saw columns of Russian troops and military equipment entering Ukraine this week, supporting allegations by Kiev that the nation’s eas(...)

The Izvestia report followed a story in German newspaper Bild on Saturday that said secret satellite imagery showed Iskander-M missiles stationed near the Polish border. Photograph: Evgeny Stetsko/Getty Images

Russia has deployed Iskander missiles with a range of hundreds of kilometres in its Baltic Sea exclave of Kaliningrad, which borders Nato members Pola(...)