Colonel of the Russian Armed Forces Ruslan Galitsky, killed in Syria, earlier participated in combat fighting in the Donbas.
CIA Director John Brennan offered a bleak assessment of the situation in Syria, arguing that both the Syrian regime and the Russians were responsible for a slaughter of civilians, which he described as "outrageous."
The Syrian government aviation and Russia's warplanes have carried out new strikes on residential areas of Aleppo, killing 46 people and wounding 325.
A rally against Russia's participation in the war in Syria took place in the city of Voronezh, Russia. About 50 people participated in it.
The hospitals in Aleppo area controlled by the Syrian opposition have suspended their activity due to the ongoing bombing of the city.
Nine civilians were killed by Russian airstrikes on Friday in Syria’s northwestern province of Aleppo.
The strike targeted Aleppo's western opposition-held towns of Atarib and Darat Izzah and Ibbin villages.
Recent opinion polls showed that the air strikes committed by the Russian Aerospace Forces in Syria were viewed favorably by 52 percent of respondents.
Fighting continues in the besieged, rebel-held neighborhoods of eastern Aleppo, a day after the end of a 72-hour "humanitarian" cease-fire that had been declared by Syria's government and its main ally, Russia.
At least 11 people were killed and 25 injured on Saturday when Russian fighter jets stroke an opposition-held neighborhood in Turmanin.
The Syrian opposition has called on the European Union to introduce sanctions against Russia due to war crimes committed by the state.
Foreign ministers of Britain, France, Germany, Italy, the United States and the European Union's top diplomat Federica Mogherini published a joint statement on Syria expressing harsh criticism of Russia.
Three people were killed, eight injured as Russia launched an airstrike in northern Syria’s Idlib province on Saturday.
For over 6 months, the international volunteer community InformNapalm has been painstakingly collecting bits of information on war criminals – pilots and navigators of the Russian air grouping in Syria.
New satellite imagery appears to reveal extensive damage to a strategically significant airbase in central Syria used by Russian forces after an attack by so-called Islamic State (IS).