Gunmen in Egypt Mosque Attack Carried ISIS Flag: Prosecutor

View of the Rawda mosque, roughly 40 kilometres west of the North Sinai capital of El-Arish, after a gun and bombing attack, on November 24, 2017. A bomb explosion ripped through the mosque before gunmen opened fire on the worshippers gathered for weekly Friday prayers, officials said. Stringer/AFP/Getty Images

CAIRO—Terrorists who killed more than 300 people in an attack on a mosque in Egypt’s North Sinai on Friday were carrying an ISIS flag and were between 25 to 30 in number, the public prosecutor’s office said in a statement on Saturday.

The gunmen, some wearing masks and military-style uniforms, surrounded the mosque blocking windows and a doorway and opened fire inside with automatic rifles, the statement citing their investigation and interviews with wounded survivors.