Official spokesperson for the Muslim Brotherhood, has denied claims by presidential adviser Mostafa Hegazy that he justified assaults on Egypt's churches.
Brotherhood spokesman says bloody crackdown triggered uncontrollable anger, claims death toll eight or nine times higher than official reports.
288 of the dead were killed in Rabaa Al-Adawiya, the pro-Morsi camp in eastern Cairo.
A number of police stations and security checkpoints were attacked, leaving several police personnel dead.
A spokesperson for the Muslim Brotherhood announced a 'Friday of Anger' across all Egyptian mosques
Al-Azhar Grand Sheikh Ahmed al-Tayyeb said he was only informed about the dispersal of the sit-ins through the media.
'Informal discussions' of the current violence in Egypt will take place at the request of France, the UK and Australia.
Violence by Morsi supporters leaves dozens of Christian churches, Coptic-owned businesses and properties burnt.
A number of leaders of Egypt's Muslim Brotherhood were arrested on Wednesday, an official said, after security stormed pro-Morsy sit-ins.
German FM calls Egypt's political forces 'to return immediately and avert an escalation of violence'.