Five people, including Iraqis and a member of the Free Police, were killed in the southern city of A'zaz in northern Aleppo on Wednesday.
Field sources said the explosion occurred near the office of the local council in the city, near the Mosque of the orphanage, and caused the explosion wounded a number of civilians.
No one claimed responsibility for the operation, while activists accused Kurdish forces of committing the massacre and carrying it responsible for the bombing that killed five civilians and wounded many others.