It said the dead included women and children and more than 60 people were wounded. It did not specify whether Syrian or Russian forces had conducted the air strikes.
A cessation of hostilities in Syria took effect three weeks ago, reducing violence but not halting the fighting as peace talks take place in Geneva. The deal does not include al Qaeda or Islamic State militants, whose de facto capital in Syria is Raqqa. (Reporting by John Davison; Editing by Janet Lawrence)