Islamist supporters of the ousted Egyptian President Mohammed Morsi say they'll continue their protests today after a night of violence which left 36 dead and over 1,000 injured.
The clashes began when three supporters of the ousted President were killed by security forces close to the barracks where they believed him to be in custody.
In Cairo's iconic Tahrir Square, at least two people were killed when Morsi supporters traded fire with his opponents, state television reported.
The clashes subsided when the army separated the protesters using armoured vehicles.
The worst of the violence was focused on a the October 6th Bridge over the Nile in the capital Cairo.
The Islamists accuse the military of conducting a brazen coup against Morsi, Egypt's first democratically elected president, after millions called for his ouster on the June 30 anniversary of his first turbulent year in power.
Friday's violence came as the supreme guide of Morsi's Muslim Brotherhood, Mohammed Badie, vowed that members of the Islamist movement would throng the streets in their millions until his presidency is restored.
Badie appeared at Cairo's Rabaa al-Adawiya mosque to screams of joy from jubilant supporters, following reports he had been detained after Wednesday's ouster of the president.
A spokesman for UN chief Ban Ki-moon quoted him calling for a peaceful end to the crisis. "There is no place for retribution or for the exclusion of any major party or community".