The commander of Beza’a police outpost was also killed in the explosion near Qabaseen junction in the city, according to local reports.
Al-Bab is located 40 kilometres (25 mi) northeast of Aleppo, 30 kilometres (19 mi) south of the Turkish border.
The city is controlled by the factions of “Euphrates Shield” operations room in the north-eastern countryside of Aleppo.