(AhlulBayt News Agency) - Before he was detained ElBaradei claimed that Mubarak's regime was on its "last legs".
Meanwhile, riot police fired teargas, water cannon and sound bombs to disperse protesters immediately after Friday prayers in Cairo. Teargas was also used to disperse protestors in in Alexandria.
The Egyptian government has closed down internet access and several mobile phone networks in an apparent attempt to prevent protesters mobilising.
Also Secretary General of the United Nations, Ban Ki-Moon, and human rights campaigners have strongly condemned the censorship.
Despite a massive security crackdown protests have continued amid reports that crowds have gathered outside Hosni Mubarak's presidential palace. Several leading members of the banned opposition group, Muslim Brotherhood were arrested overnight after the organisation said it would take part in Friday's demontrations against Mubarak's regime.