One of their demands is the release of all political prisoners.
The military has promised to enforce the will of the people following President Hosni Mubarak's ouster, but the people say their demands have not been met yet.
At least 500 people were arrested in the recent popular protests that toppled the ruling regime.
But an estimated 17,000 political prisoners were already locked up in Egyptian prisons -- notorious for the use of torture.
Egypt has also been the US destination of choice for its extraordinary rendition program -- the practice of taking terror suspects to a country where torture is used in an attempt to extract confessions.
For years, former intelligence chief and current Vice President Omar Suleiman has been the CIA's point-man in Egypt for extraordinary renditions.
Protesters have been cordoned off by police and military soldiers. Protesters say they are now discussing their next move.
They are demanding a clear timetable for the transfer of power to a civilian government.
Activists have demanded the release of political prisoners, the lifting of a 30-year-old state of emergency and the disbandment of military court. They say demonstrations will continue until the army accepts the reforms.
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