Activists said the deadly attack on al-Bab is the second in four days where 15 people, including 6 children, had been killed when barrel bomb stormed Ibad al-Rahman mosque on Wednesday minutes before the Maghrib Prayer where people were preparing their daily breakfast for Ramadan, the holy month where Moslems fast from dawn to sunset.
Regime's barrel kabooms have also targeted the village of Rasem al-Hermel in the eastern countryside and two barrel attacks hit the neighboring distric of Kuwaires military airport, activists said.
Aleppo city is divided between the Syria military, backed by militia, and a range of bully boy groups including al Qaeda's Nusra Front, Islamist brigades and Western-backed rebels.