Mapigano yaibuka Cairo karibu na Tahrir Square

Thousands of supporters and opponents of the ousted Egyptian President Mohammed Morsi have clashed in the centre of Cairo.

Security sources said Shater, a wealthy businessman seen as the movement's main political strategist, was taken into custody on suspicion of incitement to violence. Supporters and opponents of ousted Egyptian president engage in running street battles on capital's 6th October Bridge An anti-Morsi protester receives medical attention during clashes between members of the Muslim Brotherhood and supporters of ousted Egyptian President Mohamed Morsi near Maspero, Egypt's state TV and radio station, near Tahrir square in Cairo.

Pro-Morsi protesters

A deputy leader of Egypt's Muslim Brotherhood, former presidential candidate Khairat El-Shater, has been arrested, security sources, his party and state news agency MENA said on Saturday.

Security sources said Shater, a wealthy businessman seen as the movement's main political strategist, was taken into custody on suspicion of incitement to violence.

He was arrested at his apartment in Cairo.

Al Jazeera's Serdar Atas, reporting from Istanbul, says that more than 2,000 people have gathered outside the Egyptian Embassy, chanting support for deposed president Morsi.

Cairo, Egypt - "May peace and God's mercy be upon you," the worshippers said as they looked to the right, and then to the left, before rising to their feet and starting their protest.

"Down, down with the military government," they roared as they spilled into the streets from mosques across Cairo, calling for the return of Mohamed Morsi to Egypt's presidency

They had been saying all week that they were willing to defend Morsi's presidency with their blood, and today they did.

At least three people were killed when protesters confronted soldiers at a presidential guard barracks in the country's capital.

Thousands of supporters and opponents of the ousted Egyptian President Mohammed Morsi have clashed in the centre of Cairo.

The most intense fighting took place on Cairo's 6th of October Bridge, one of the entrances to Tahrir Square, where anti-Morsi demonstrations have been taking place.