Russian president Vladimir Putin watches the Zapad-2017 war games with minister for defence Sergei Shoigu (left) and chief of the general staff of Russian armed forces Valery Gerasimov (second right) in Leningrad, Russia. Photograph:  Mikhail Klimentyev/Kremlin via Reuters

Russian president Vladimir Putin watched his country’s military take part in the major “Zapad” war games on Monday, amid continuing concern from Nato (...)

A member of the Syrian Democratic Forces calls his comrades during the fighting with Islamic State fighters in Raqqa, Syria, on  August 14th. Photograph: Zohra Bensemra/Reuters

The Baghdad and Damascus governments appear to be co-ordinating their offensives against Islamic State (Isis) with the objective of uprooting the grou(...)

Russian President Vladimir Putin sunbathes during his vacation in the remote Tuva region in southern Siberia. Photograph: Alexey Nikolsky/AFP/Getty Images

Russian President Vladimir Putin has been pictured spearfishing in southern Siberia’s mountains. It is the latest stunt for the action man and advent(...)

A dramatic photo of a Russian jet coming very close to  a US Air Force reconnaissance jet over the Baltic Sea, June 19th, 2017, in a manoeuvre  criticised as unsafe. Photograph: Master Sgt Charles Larkin Snr/US European Command/AP

A close encounter between Russian and Nato warplanes over the Baltic Sea this week highlighted rising tension in the region linked to a series of majo(...)

A Nato F-16 fighter jet reportedly buzzed a plane carrying Russian  minister for defence Sergei Shoigu as it flew over the Baltic Sea. File photograph: Ints Kalnins/Reuters

A Nato F-16 fighter jet buzzed a plane carrying Russian minister for defence Sergei Shoigu as it flew over the Baltic Sea, but was seen off by a Russi(...)

Flames rising in the distance, which are believed to be coming from Damascus International Airport, viewed from the town of Douma. said. Photograph: Sameer Al-Doumy/AFP/Getty

Israel struck an arms supply hub operated by the Lebanese group Hizbullah near Damascus airport on Thursday, targeting weapons sent from Iran via com(...)

French foreign minister Jean-Marc Ayrault: “This method [of production] bears the signature of the regime and that is what allows us to establish its responsibility in this attack.” Photograph:  Stephane De Sakutin/AFP/Getty Images

Analysis of samples taken from a deadly sarin gas attack in Syria earlier this month “bears the signature” of President Bashar Assad’s government and (...)

US defence secretary Jim Mattis: “We are not in a position right now to collaborate on a military level.” Photograph: Francois Lenoir/Reuters

US president Donald Trump’s defence secretary on Thursday said he did not see the conditions for military collaboration with Russia, in a blow to Mosc(...)

A Syrian boy poses for a photograph in the Bab Al-Salam refugee camp, near the Syrian-Turkish border, northern Aleppo province in Syria. Photograph: Khalil Ashawi/Reuters

A ceasefire deal between Syrian government forces and rebels that took effect at midnight held early on Friday, after initial isolated clashes and gun(...)

A journalist holds a poster with portraits of Russia’s president Vladimir Putin, France’s far-right National Front leader Marine Le Pen, and US president-elect Donald Trump prior to Mr Putin’s annual press conference in Moscow on Friday. Photograph: Yuri Kochetkov/EPA

Vladimir Putin and Donald Trump have separately called for a strengthening of their nations’ nuclear capabilities, sparking more uncertainty around US(...)