Updated. Egyptian media reports say at least 305 people have
been killed in a bomb and gun attack on a mosque in the country's
northern Sinai Peninsula.
The attack occurred in Bir al-Abed, a town in North Sinai province, shortly after Friday prayers.
Egyptian state media MENA put the death toll at 305, citing an official security source. It also said that 128 people were wounded in the attack.
The mosque in Bir al-Abed, about 40km west of El Arish, the provincial capital of North Sinai, was frequented by Sufis.The government declared a three-day period of mourning for the victims.
Egyptian President Abdel Fattah el-Sisi condemned the attack, which he described as "criminal" and "cowardly" in a televised statement on Friday. He expressed condolences to the victims and their families and said the attack "will not go unpunished"."The armed forces and the police will avenge our martyrs and restore security and stability with the utmost force," Sisi said.