Security forces guard in a train in Cairo of Egypt after pro-Morsi groups announced that they are going to sit-in for one day in the metro stations on Sep. 15. 2013. (Xinhua/Ahmed Omar)
Anti-coup protesters are arrested by police at a metro station in Cairo of Egypt after pro-Morsi groups announced that they are going to sit-in for one day in the metro stations on Sep. 15. 2013. (Xinhua/Ahmed Omar)
Security forces check a passenger's bag at a metro station in Cairo of Egypt after pro-Morsi groups announced that they are going to sit-in for one day in the metro stations on Sep. 15. 2013. (Xinhua/Ahmed Omar)
Security forces check a passenger's bag at a metro station in Cairo of Egypt after pro-Morsi groups announced that they are going to sit-in for one day in the metro stations on Sep. 15. 2013. (Xinhua/Ahmed Omar)
