Egyptian opposition supporters are protesting across the country on the second anniversary of the uprising that swept Hosni Mubarak from power, with five people killed in the city of Suez.Police clashed with President Mohammed Morsi's opponents in Cairo outside his palace and near Tahrir Square.
Alexandria also saw clashes. In Ismailia, protesters set fire to the HQ of the Muslim Brotherhood's party.
Critics accuse Mr Morsi of betraying the revolution, which he denies.
The president has appealed for calm to end the clashes, in which more than 330 people have been injured nationwide.