Live Updates: Tens of thousands attend rival rallies in Cairo; clashes in Alexandria

All Brotherhood offices in Alexandria are closed and its local leaders have not been seen on the streets or been reachable by phone, Al-Ahram Arabic news website reports.

Large numbers of people from the historically pro-Islamist Wardiyan, Al-Qabary and Al-Ma'wa districts of Alexandria are marching to demand the removal of President Morsi.

15:40  Back in Alexandria, violent clashes are taking place between hundreds of anti-government protesters and members of the Brotherhood outside it’s local headquarters.

Gunshots can be heard in the vicinity of the clashes, Al-Ahram Arabic news website reports.

15.35  A march has left Sphinx Square in Cairo's Mohandiseen calling on people to protest against President Morsi on 30 June. The march is moving towards Agouza in the presence of security forces and an ambulance. Participants are distributing Egyptian flags and red cards to drivers and chanting against the Muslim Brotherhood.

15.30  Meanwhile, numbers are increasing in Cairo’s Tahrir Square as several anti-Morsi marches arrive, including those from Sayeda Zeinab and Al-Azhar Mosque. Protesters carrying Egyptian flags and holding up red cards are chanting, "On 30 June at Ittihadiya, down with Morsi and the Brotherhood."