Supporters of ousted Egyptian President Mohamed Morsi are seen in Ramsis square, downtown Cairo, Egypt on July 15, 2013. Clashes erupted between pro-Morsi protesters and riot police when police force fired teargas and rubber bullets at a pro-Morsi march heading to Giza square, at least 100 protesters are injured, according the official Egyptian Ambulance Organization. (Xinhua/Amru Salahuddien)
Supporters of ousted Egyptian President Mohamed Morsi clash with riot police in Ramsis square, downtown Cairo, Egypt on July 15, 2013. Clashes erupted between pro-Morsi protesters and riot police when police force fired teargas and rubber bullets at a pro-Morsi march heading to Giza square, at least 100 protesters are injured, according the official Egyptian Ambulance Organization. (Xinhua/Amru Salahuddien)
Supporters of ousted Egyptian President Mohamed Morsi carry an injured protester in Ramsis square, downtown Cairo, Egypt on July 15, 2013. Clashes erupted between pro-Morsi protesters and riot police when police force fired teargas and rubber bullets at a pro-Morsi march heading to Giza square, at least 100 protesters are injured, according the official Egyptian Ambulance Organization. (Xinhua/Amru Salahuddien)
A supporter of ousted Egyptian President Mohamed Morsi stands in the middle of teargas in Ramsis square, downtown Cairo, Egypt on July 15, 2013. Clashes erupted between pro-Morsi protesters and riot police when police force fired teargas and rubber bullets at a pro-Morsi march heading to Giza square, at least 100 protesters are injured, according the official Egyptian Ambulance Organization. (Xinhua/Amru Salahuddien)