All 92 on Syria-bound Russian military jet killed in crash, including 60 from Red Army Choir
Russian hackers publish more health data of Rio 2016 Olympians
Russian hackers post 'medical files' of Simone Biles, Serena Williams
Putin says Russians to start withdrawing from Syria, as peace talks resume
Turkey downs Russian warplane near Syria border, Putin warns of 'serious consequences'
Trump: Middle East would be more stable with Hussein and Gadhafi
Russian parliament grants Putin right to use military force in Syria
Obama says fight against Islamic State group will take time