A Syrian monitor group reports that the death toll from an air strike in a rebel-held town has climbed to 57.
The warplane targeted the prison compound and courthouse with four rockets in Syria's northwestern province of Idlib on Saturday.
Videos posted to social media show rescue workers scrambling to bring out people buried under the rubble. The UK-based watchdog said that civilians and inmates as well as rebels were among those killed.
Other activists said the warplane that struck the targets was Russian, adding that the city is under control of the al-Qaida-linked Nusra Front. Much of Idlib fell to the Jaish al-Fateh rebel group, which consists of several rebel factions, mainly the Nusra Front.