سرحوهم رحمة بهم وبنا : جنود الأمن المركزي في أحداث اليوم بشبرا #Shobra Egyptian riot police take their positions after stone throwing clashes between Muslims and Copts in Shubra neighborhood in Cairo, Egypt Thursday, Nov. 17, 2011. Attackers have thrown rocks and broken glass at a Coptic Christian march in Cairo, injuring 10 people, witnesses said. (AP Photo/Khalil Hamra)