Syrian refugees   at the closed  border gate   in Kilis, Turkey:  Local councils in Aleppo  estimate that  100,000-150,000 civilians could flee the city if Russian air strikes continue. Photograph:  Chris McGrath/Getty

Hundreds of thousands of civilians could be cut off from food if Syrian government forces encircle rebel-held parts of Aleppo, the United Nations said(...)

British home secretary Theresa May: she  announced a freeze on the UK assets of Andrei Kovtun and Dmitry Lugovoy, who is now a Russian member of parliament, after a judge said there was “no doubt” they poisoned Alexander Litvinenko in London in 2006. Photograph: PA Wire

David Cameron has promised tougher action against Russia after a public inquiry found that President Vladimir Putin probably ordered the murder of fo(...)

Ukrainian prime minister Arseniy Yatsenyuk: “The government of Ukraine is imposing a moratorium on payment of the so-called Russian bond.” Photograph:  Sergei Chuzavkov/AP Photo

Ukraine and Russia are on a collision course over major trade and finance disputes, as the European Union prepares to extend sanctions against Moscow(...)

Russian officials visiting the crash site of a A321 Russian plane in  Egypt’s Sinai peninsula. Russian airline Kogalymavia’s flight 9268 crashed on October 31st, killing all 224 people on board, the vast majority of them Russian tourists. Photograph: Maxim Grigoryev/AFP/Getty Images

A preliminary investigation into the crash of a Russian passenger plane has found no indication yet of any “illegal or terrorist act”, Egypt’s chief i(...)

Photos of Lt Col Oleg Peshkov (left) and Marine Alexander Pozynich are placed at a monument outside Russian Army General Staff headquarters in Moscow. Photograph: Ivan Sekretarev/AP

Russia has threatened economic retaliation against Turkey and said it was still awaiting a reasonable explanation for the shooting down of it(...)

An Islamic State member waves a flag in Raqqa, Syria. Photograph: Stringer/Reuters

Islamic State has released a video threatening attacks in Russia “very soon” in revenge for Russian bombing in Syria, the SITE monitoring group said o(...)

Sebastian Coe is under pressure to give up advisory role with Nike. Photograph: Adam Davy/PA Wire

Russia faces being suspended from athletics by the end of the week, as the fallout from Dick Pound’s devastating report into state-sponsored doping b(...)

Russian president Vladimir Putin’s spokesperson has said that allegations of widespread doping in Russian athletics are ‘unfounded’. Photo: Alexander Zemlianichenko/Reuters

Mixing howls of indignation with vows to do more to fight doping in sport, Russia has rejected allegations of running a major state-backed operation t(...)

Syrian president Bashar al-Assad and Russian president Vladimir Putin in Moscow. Mr Putin said he hoped progress on the military front would be followed by moves towards a political solution in Syria. Photograph: Alexei Druzhinin, RIA-Novosti, Kremlin Pool Photo via AP

Syrian president Bashar al-Assad has flown to Moscow to thank Russia’s Vladimir Putin personally for his military support, in a surprise visit that u(...)

Tanks of the Ukrainian armed forces make a crossing during a withdrawal near the village of Nyzhnje in Luhansk region this week. Photograph:  Reuters

The European Union and Russia welcomed a decision by Moscow-backed separatists in eastern Ukraine to postpone local elections, which they had vowed(...)