Salafis, who follow an ultraconservative brand of Islam, had agreed to a set of unified demands for today's rally with secular activists. But they reneged, even shouting pro-military chants.
Egypt's interim government this week recognized the new political party of the Muslim Brotherhood, a formerly banned group that is seeking a prominent role in the new Egypt.
The Muslim Brotherhood's new plans to contest 50 percent of Egypt's parliamentary seats in upcoming elections are sparking concern that it will impose its Islamist ideas on the population.
Saturday's storming of the headquarters of former President Hosni Mubarak's secret police is just as important as his historic ouster last month, say many Egyptians.
The resignation of Egypt's Prime Minister Ahmed Shafiq – seen as too close to ousted President Hosni Mubarak – demonstrates the clout the protesters wield as they push for real change.
Egyptians say not enough has changed since Mubarak fell two weeks ago today. The protest shows that toppling a dictator is but the first step in the uprisings sweeping the Arab world.
Cairo protesters are planning a huge rally Tuesday. It is not certain they will rally around Mohammed ElBaradei or opposition groups.
The Egypt runoff election could leave President Hosni Mubarak's ruling party with as many as 97 percent of the seats in parliament.
Egypt's Muslim Brotherhood is expected to name Mohamed Badie as its new Supreme Guide on Saturday – a move that could alienate reformists and stymie their efforts to challenge President Mubarak.