UPDATE: Egypt mosque attack death toll rises to 305, including 27 children

CAIRO: The death toll from an attack on a mosque in Egypt's Sinai rose to 305 including 27 children, the state prosecution said Saturday in a statement detailing the gruesome massacre.

It said there were between 25 and 30 attackers with long hair and beards, dressed in camouflage and flying a black banner with the Muslim profession of faith on it, which could be a description of the Islamic State group's flag.