People attend memorial to mourn victims of North Sinai mosque attack

People attend a memorial service to mourn the victims of the North Sinai mosque attack in Cairo, Egypt, on Nov. 27, 2017. A group of terrorists killed 305 people, including 27 children, and injured 128 others in a mosque in North Sinai's al-Rawda village on Nov. 24. (Xinhua/Ahmed Gomaa)