At least 33 people have been killed, following an airstrike which struck a school sheltering displaced people, near the city of Raqqa, in Syria.
At least 16 senior militants, part of Nusra Front, have been killed, after an airstrike struck the disused air base where they were meeting.
At least two people have been killed, and several wounded, following a car bomb attack in Syria.
Syrian insurgents have destroyed a Russian helicopter, shooting it with a rocket, after forcing the aircraft to make an emergency landing.
At least 39 civilians, including eight women and children, and 14 fighters, have been killed, so far, by airstrikes from Russian forces, in Syria.
At least 30 people, including children, have been killed, and dozens wounded, following US-led coalition airstrikes on an Islamic State training camp, in Syria.
At least 56 government troops have been killed, in a reported mass execution, by Islamist insurgents, at a captured airbase, in northern Syria.
At least 38 people, including 14 children, have been killed, and more than 150 wounded, following shelling by insurgents, on three government-held neighbourhoods, in Aleppo, Syria.
At least 56 Syrian army soldiers have been killed, after rebel insurgents attacked and captured an air base, in northwestern Syria.
At least 80 people have been killed, following a Syrian government airstrike, near the Syrian capital city, Damascus.