Egyptian riot police have clashed with protesters, after breaking up a sit-in at Cairo’s Tahrir Square.
A small tent city was set up after tens of thousands rallied on Friday, urging military rulers to transfer power swiftly to a civilian government.
Armoured trucks were attacked by activists, after the security forces’ intervention.
Just days before Egypt’s post-Mubarak election, demonstrators are angry at moves that would see the army retain sweeping powers. Dozens of people are reported injured. A number of arrests were made.
Friday’s rally was dominated by Islamists but liberal and leftist groups also took part. People injured during Egypt’s uprising and relatives of those killed had camped out to demand those responsible for the violence be brought to justice.