At least 12 people have been killed, and a hospital severely damaged, following Syrian or Russian airstrikes in the rebel-held Idlib province of Syria.
At least 16 people have been killed, following an airstrike on a prison in the rebel-held Idlib province, in Syria.
At least six people, including three schoolchildren, have been killed, and dozens wounded, following rebel shelling in western Aleppo, in Syria.
At least 26 people, mostly schoolchildren, have been killed following airstrikes, by either Russian or Syrian warplanes, in Syria.
At least 10 rebel fighters are believed to have been killed, following a suicide bombing, at a border post, in Syria.
At least five Russians have reportedly been killed, after the military helicopter they were travelling in was shot dead, by rebels, in northern Syria.
Up to 50 people have been killed, after missile attacks struck schools and hospitals, in northern Syria, according to a statement by the United Nations.
Suspected Russian warplanes have killed scores of people, in the rebel-held city of Idlib, in northern Syria.
At least 12 hospitals have been struck, by airstrikes, killing at least 35 medical staff and patients, over the past weeks, 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.