Renewed tension between supporters of interim military government and those still loyal to the ousted President Mohammed Morsi.
A center of protest is again becoming a site of turmoil for Egypt.
Large number of Muslim group's senior leadership could end up behind bars for life, charged with inciting violence and terrorism.
Will face charges of incitement to the killing of opponents while in office.
The ruling opens door for authorities to track down the group's elaborate network of social services.
The convoy of Mohammed Ibrahim was targeted in Nasr City.
Adly Mansour says government's top priority is restoring security in the face of terrorism.
Drive-by attack preceded planned action by the Muslim Brotherhood.
Security on high alert as Brotherhood urges people to rise against "failed, bloody military regime."
More than 60 detained as crackdown against group widens.
