The group, which held the most seats in parliament, says the decision will lead to more dangerous days than those under Mubarak's repressive regime.
Friday's statement says progress made since Mubarak was ousted last year is being "wiped out and overturned."
The Supreme Constitutional Court's decision leaves Egypt with no parliament and concentrates power even more firmly in the hands of the generals who took over from Mubarak.
Ahmed Shafiq, who was Mubarak's last prime minister, is set to face the Brotherhood's candidate Mohammed Morsi in a presidential run-off Saturday and Sunday. |