Egyptian security forces have arrested Muslim Brotherhood spokesman Gehad al-Haddad.
An Egyptian court has ordered freezing of senior Muslim Brotherhood and salafist leaders' assets.
An Egyptian court has set a trial date for Muslim Brotherhood leaders in a move likely to enrage supporters of ousted Islamist president Mohamed Morsi.
An Egyptian prosecutor has referred top Muslim Brotherhood figures to a criminal court, accusing them of inciting violence by the group's Cairo headquarters in Mokattam.