It contained the shrines of Ammar ibn Yasir and Owais al-Qarani, who died in the Battle of Siffin in 657, which took place around 40 km (25 miles) west of Raqqa. It was adjacent to the Bab al-Baghdad, another major landmark in the city.[1][2]
In June 2013, rebel fighters from al-Muntasereen Billah militia were living in the mosque complex.[4] On March 26, 2014, the mosque was blown up by two powerful explosions and completely destroyed by the Islamic State because it was a Shi'a structure. More specifically, it was also built over graves and thus served as a shrine.[5][6][7][8]