More on the blast reported in the city of Aleppo: State media says an army officer was killed and that the wounded included civilians.

"The blast took place at 8:00am as an armed terrorist group targeted a military bus with an explosive device at the Southern Bypass area, near al-Nirab Airport Bridge in Aleppo," SANA news agency reports.

"The bus was carrying a number of officers and non-commissioned officers while on way to their workplace."