Internet and cell-phone data service showed to be cut crossways Egypt on Friday as authorities braced for manifestation backed by mutually the country's biggest resistance group and recently returned Nobel Peace laureate Mohamed ElBaradei.
The government organized a choice special operations energy in Cairo on Thursday night as aggression escalated outside the capital, and the Islamist Muslim Brotherhood called on its members to take to the streets after Friday afternoon prayers.
Uniformed defense forces at least provisionally vanished from the streets of central Cairo mid-morning Friday, but truckloads of riot police and unbreakable cars started moving back about an hour later.
Unverified reports dispersed early Friday on Twitter that police were splashing gas around key squares ready to set them burning when protesters approached.
The Muslim Brotherhood said at least five of its leaders and five former members of assembly had been in prison.