Netizens and journalists are reporting that thousands of Muslim Brotherhood members and supporters are heading towards the National Security building in Nasr City now.
Amr Salama El-qazaz shares this photograph.
آلاف المتظاهرين يحاصرون مقر مباحث أمن الدولة الآن بمدينة نصر #رابعة_العدوية pic.twitter.com/oxBFRmzYrN
@amrsalama: Thousands of protesters are surrounding the National Security headquarters in Nasr City now