Many Egyptian protesters came out for the first time, despite fears of violent confrontation as police cracked down hard, to call for the fall of Hosni Mubarak's regime.
After initial denials, Egypt said yesterday that Monday's rocket attacks on Israeli and Jordanian resort cities came from Gaza militants operating in the Sinai Peninsula.
Egypt's president Hosni Mubarak has been in office for 28 years. With a 2011 election looming, many say his son Gamal is being groomed for an uncontested handover despite his unpopularity.
As one of the few parties to speak to both Israel and Hamas, Cairo sees itself as a natural mediator. But now Turkey has called into question its effectiveness.
President Hosni Mubarak's regime is clamping down on the banned opposition group ahead of next month's local elections.