Muslim Brotherhood protesters run to escape gunfire and stones thrown by opponents during clashes near Tahrir Square in Cairo, April 19, 2013. Thousands of President Mohammed Morsi's supporters and opponents clashed Friday after MB members and supporters protested in front of the Supreme Court demanding "judicial reform", leaving at least 90 injured during the clashes, the Egyptian ministry of health reported. (Xinhua/Amru Salahuddien)

Muslim Brotherhood protesters throw stones at opposition protesters during clashes near Tahrir Square in Cairo, April 19, 2013. Thousands of President Mohammed Morsi's supporters and opponents clashed Friday after MB members and supporters protested in front of the Supreme Court demanding "judicial reform", leaving at least 90 injured during the clashes, the Egyptian ministry of health reported. (Xinhua/Amru Salahuddien)

Muslim Brotherhood protesters and opposition protesters clash near Tahrir Square in Cairo, April 19, 2013. Thousands of President Mohammed Morsi's supporters and opponents clashed Friday after MB members and supporters protested in front of the Supreme Court demanding "judicial reform", leaving at least 90 injured during the clashes, the Egyptian ministry of health reported. (Xinhua/Amru Salahuddien)

Muslim Brotherhood protesters and opposition protesters clash near Tahrir Square in Cairo, April 19, 2013. Thousands of President Mohammed Morsi's supporters and opponents clashed Friday after MB members and supporters protested in front of the Supreme Court demanding "judicial reform", leaving at least 90 injured during the clashes, the Egyptian ministry of health reported. (Xinhua/Amru Salahuddien)

Muslim Brotherhood protesters and opposition protesters clash near Tahrir Square in Cairo, April 19, 2013. Thousands of President Mohammed Morsi's supporters and opponents clashed Friday after MB members and supporters protested in front of the Supreme Court demanding "judicial reform", leaving at least 90 injured during the clashes, the Egyptian ministry of health reported. (Xinhua/Amru Salahuddien)

Muslim Brotherhood protesters throw stones at opposition protesters during clashes near Tahrir Square in Cairo, April 19, 2013. Thousands of President Mohammed Morsi's supporters and opponents clashed Friday after MB members and supporters protested in front of the Supreme Court demanding "judicial reform", leaving at least 90 injured during the clashes, the Egyptian ministry of health reported. (Xinhua/Amru Salahuddien)