Egypt mosque attack: At least 235 killed in mosque attack in northern Sinai
Egypt launches investigation into mosque attack
Egypt Attack Two Hundreds Killed in Sinai Mosque Attack
No group has claimed responsibility for the terrorist attack in Egypt. IS denying any involvement.
The al-Rawda mosque in the town of Bir al-Abed was targeted during Friday prayers. It is the deadliest attack of its kind since an Islamist insurgency in the peninsula was stepped up in 2013. Egyptian President Abdul Fattah al-Sisi vowed to respond with "brute force".