The Islamic State (ISIS) has not yet claimed credit though their large ISIS presence in the Sinai makes them the likely suspect. Gun fire was also reported at fleeing worshippers and at ambulance crews that arrived to transport the injured.
IndianExpress At lease 235 people were killed after suspected militants bombed and opened fire at al-Rawda mosque near the provincial capital of North Sinai province. The mosque was packed with worshipers when the attack, one of the deadliest in Egypt’s history, took place during Friday prayers. The Egyptian government has declared three days of mourning.
Egypt’s security forces are battling an Islamic State insurgency in north Sinai, where militants have killed hundreds of police and soldiers since fighting there intensified over the last three years.
Arabiya news channel and some local sources said some of the worshippers were sufis who hardliners such as Islamic State regard as apostates because they revere saints and shrines, which for Islamists is tantamount to idolatry.