.........The Islamic State extremists regard Shi'ite Muslims as heretics, and refer to them derogatively as "rejectionists." The IS statement said the bombing targeted a "temple of the apostates."
Witness Ahmed al-Shawaf said he heard a man interrupt the prayer by shouting "Allahu Akbar," which means "God is Great" in Arabic. The man then yelled out something about joining the Prophet Muhammad for iftar, the dusk meal at which Muslims break their daytime fasting Ramadan, now in its second week. Then, the blast came, al-Shawaf said.......