Russian airstrikes

Syria shaken by Russia's air strike

Russian air strikes kill 21 civilians in east Syria: Monitor

Russia dismisses US accusations of alleged hospital bombing in Syria

UN Security Council to meet today on Syria: Diplomats

Russia denies its air strikes hit Syrian boy in heart-wrenching photo

70 persons killed as battles heat up in Aleppo

IS suffers blows in Iraq, Syria but still launches attacks

Russian airstrikes boost Islamic State in Syria, says US envoy

Midnight explosions rocks ISIS de facto capital in Syria

US has 'concerns' over Russian missile system: US official

Syrian army launches operation, kills 60 militants

Fierce battles in central Syria amid Russian airstrikes