Amr Nabil / AP
Egyptian protesters shout anti-Muslim Brotherhood slogans as they hold posters depicting U.S. Ambassador to Egypt Anne Patterson and President Mohammed Morsi during a protest in Tahrir Square, the focal point of Egyptian uprising, in Cairo, Egypt, on June 28, 2013. Arabic on the poster at center reads, "shave your beard show your shame, you will look like Mubarak."
Asmaa Waguih / Reuters
Anti-Mursi protesters carry a banner saying ''leave'' while chanting anti-Mursi and anti-Muslim Brotherhood slogans in Tahrir square in Cairo on June 28, 2013. Egypt's leading religious authority warned of "civil war" on Friday and called for calm after a member of the ruling Muslim Brotherhood was killed ahead of mass rallies aimed at forcing the president to quit.
Heba Khamis / AP
Opponents of Egypt's Islamist President Mohammed Morsi chant slogans as fire rages at the Muslim Brotherhood headquarters in Alexandria, on June 28, 2013.
Mohamed Abd El Ghany / Reuters
Islamists, members of the brotherhood, and supporters of Egyptian President Mohamed Mursi shout slogans during a protest around the Raba El-Adwyia mosque square in the suburb of Nasr City, Cairo, on June 28, 2013.
CAIRO — Tens of thousands of backers and opponents of Egypt's Islamist president held competing rallies in the capital Friday and new clashes erupted between the two sides in the country's second largest city, Alexandria, in a prelude to massive nationwide protests planned by the opposition this weekend demanding Mohammed Morsi's removal.
In Alexandria, where dozens were injured in fighting, opposition protesters broke into the local headquarters of Morsi's Muslim Brotherhood and set fires, throwing papers and furniture out the windows.
For the past several days, Brotherhood members and Morsi's opponents have battled it out in the streets of several cities in the Nile Delta in violence that has killed at least five people. The latest died Friday from injuries suffered in fighting the day before, security officials said.
Supporters of Egypt's Islamist President Mohammed Morsi fill a public square outside the Rabia el-Adawiya Mosque in Cairo, not far from the presidential palace, during a rally in Cairo, on June 28, 2013.
Manu Brabo / AP
Supporters of Egypt's Islamist President Mohammed Morsi hold a rally in Cairo, on June 28, 2013.
Hassan Ammar / AP
An Egyptian man waits at train stop in front of the presidential palace, days ahead of planned protests against the country's Islamist President Mohammed Morsi in Cairo, Egypt, on June 28, 2013. Arabic reads, "leave, left, evacuation day."