** FILE ** Egyptian army forces search vehicles at a checkpoint during curfew in the Nasr City section of Cairo on Monday, Aug. 19, 2013. The capital remained under a state of emergency and a dusk-to-dawn curfew. (AP Photo/Ahmed Gomaa)

Photo by: Ahmed Gomaa

** FILE ** Egyptian army forces search vehicles at a checkpoint during curfew in the Nasr City section of Cairo on Monday, Aug. 19, 2013. The capital remained under a state of emergency and a dusk-to-dawn curfew. (AP Photo/Ahmed Gomaa)