1/7Opponents of Egypt's Islamist President Mohamed Morsi wave national flags in Tahrir Square in Cairo, June 28, 2013.
Crowds are gathered in Cairo's Tahrir Square to call for President Mohamed Morsi to step down ahead of massive protests planned for Sunday.
2/7An Egyptian protester shouts anti-President Mohamed Morsi slogans and holds a red card that reads "leave" in Arabic during a protest in Tahrir Square, Cairo, June 28, 2013.
Crowds are gathered in Cairo's Tahrir Square to call for President Mohamed Morsi to step down ahead of massive protests planned for Sunday.
3/7Islamists and supporters of Egyptian President Mohamed Morsi shout slogans during a protest around the Raba El-Adwyia mosque square in the suburb of Nasr City, Cairo, June 28, 2013.
Crowds are gathered in Cairo's Tahrir Square to call for President Mohamed Morsi to step down ahead of massive protests planned for Sunday.
4/7Islamists, members of the brotherhood, and supporters of Egyptian President Mohamed Morsi, shout slogans during a protest around the Raba El-Adwyia mosque square in the suburb of Nasr City, Cairo, June 28, 2013.
Crowds are gathered in Cairo's Tahrir Square to call for President Mohamed Morsi to step down ahead of massive protests planned for Sunday.
5/7An Egyptian protester holds posters depicting U.S. Ambassador to Egypt Anne Patterson and President Mohamed Morsi at an entrance to Tahrir Square in Cairo, June 28, 2013.
Crowds are gathered in Cairo's Tahrir Square to call for President Mohamed Morsi to step down ahead of massive protests planned for Sunday.
6/7Opponents of Egypt's Islamist President Mohamed Morsi camp outside the presidential palace ahead of mass protests in Cairo, June 28, 2013.
Crowds are gathered in Cairo's Tahrir Square to call for President Mohamed Morsi to step down ahead of massive protests planned for Sunday.
7/7Egyptian women chant slogans against President Mohamed Morsi during a demonstration in Tahrir Square in Cairo, June 27, 2013.
Crowds are gathered in Cairo's Tahrir Square to call for President Mohamed Morsi to step down ahead of massive protests planned for Sunday.