At least 22 people have been killed, and dozens of others wounded, following a bomb blast amid a bus convoy waiting to enter the Syrian city of Aleppo.
At least 42 people, mostly civilians, have been killed, and many more injured, following an air attack on a mosque in northern Syria.
At least 10 people, including seven children, have been killed, following shelling of government-held parts of Aleppo, in Syria.
At least six people, including three schoolchildren, have been killed, and dozens wounded, following rebel shelling in western Aleppo, in Syria.
Over 150 people have been killed this week, following renewed bombing of the rebel-held Syrian city of Aleppo.
At least five Russians have reportedly been killed, after the military helicopter they were travelling in was shot dead, by rebels, in northern Syria.
A Russian serviceman has been killed, after the convoy he was travelling in was struck by a self-detonating bomb, in Syria.
At least 38 pro-government troops have been killed, after rebels blew up a tunnel, beneath a building, in the Syrian city of Aleppo.
Video footage has emerged online, purporting to show a group of Syrian rebel fighters beheading a captured Palestinian boy, believed to have been as young as 10-years-old.
At least 28 Islamic State militants have reportedly been killed, following shelling by Turkish forces, near the northern Syrian city of Aleppo.