Supporters of ousted president Mohamed Morsi are held by security forces in Al-Fatah mosque at Ramses Square in Cairo, Egypt, Aug. 17, 2013. At least 173 people were killed and 1,330 others were injured in overnight clashes across Egypt between supporters of ousted president Mohamed Morsi and security forces, the cabinet spokesman said Saturday. (Xinhua/Amru Salahuddien)