In pictures: Morsi supporters' defiant march

epa03805904 Muslim brotherhood supporters of ousted president Mohamed Morsi pray during a protest near Rabaa al-Adawiya mosque in Cairo, Egypt, 28 July 2013. Egyptian authorities on 26 July ordered ousted president Mohammed Morsi to be detained for 15 days pending further investigations on charges of conspiring to carry out "hostile acts" in the country, reported state-run newspaper al-Ahram online. Morsi's backers and opponents were, meanwhile, rallying for rival demonstrations across the country, mainly in Cairo. Scores of anti-Islamist activists were turning out at central Cairo's Tahrir Square in response to a call made by army chief Abdel-Fattah al-Sissi, who engineered Morsi's ouster.The Islamist group's followers were also on 26 July flocking to the area of Rabaa al-Adawiya, in north-eastern Cairo, joining many others who have been camping there for weeks to protest what they call a military coup against Morsi, Egypt's first democratically elected president. EPA/MOHAMMED SABER *** Local Caption *** 03805904.jpg

The Muslim Brotherhood said the destination was the military intelligence headquarters, despite an army statement warning protesters to steer clear of military installations. Mohammed Saber / EPA

Mr Morsi has been in army detention since he was ousted, and the military-backed interim government has placed him under investigation on charges that include murder. Mohammed Saber / EPA

A boy wears a gas mask as supporters of Egypt's ousted President Mohammed Morsi pray in Nasr City. Hassan Ammar / AP Photo

At least 72 Brotherhood supporters were shot dead by security forces on Saturday near the vigil, deepening the turmoil convulsing the country since the army shunted Morsi from power on July 3. Hassan Ammar / AP Photo

The marchers carried pictures of the deposed president, flashing victory signs and chanting, "Our blood and souls we sacrifice for Morsi." Hassan Ammar / AP Photo

A Reuters reporter saw several thousand marchers leaving the Rabaa Al Adawiya mosque in northern Cairo, where they have been staging a weeks-long vigil to demand the reinstatement of deposed Mohammed Morsi, Egypt's first freely elected president. Hassan A???

he European Union's foreign policy chief, Catherine Ashton, was due in Cairo today to meet the army's General Abdel Fattah El Sisi, who led the overthrow of Morsi, and officials of the Freedom and Justice Party, the Brotherhood's political wing. Hassan Am???

The military intelligence building is several kilometres from the site of the vigil, where thousands of protesters are defying threats by Egypt's army-installed authorities to clear them.

The army, saying it was aware of the planned march, issued a statement urging protesters "not to come close to military facilities in general, and the headquarters of military intelligence specifically." Hassan Ammar / AP Photo

Supporters of Egypt's ousted President Mohammed Morsi chants slogans against Egyptian Defense Minister Gen. Abdel-Fattah el-Sissi at Nasr City, where protesters have installed a camp and hold daily rallies, in Cairo, Egypt, Sunday, July 28, 2013. Deadly clashes broke out during funerals of slain supporters of Egypt's ousted Islamist president Sunday, as the supreme leader of the Muslim Brotherhood urged his followers to stand fast after more than 80 of them were killed in weekend violence. The Arabic on the bandanas read, " No god but Allah and Mohammad is his prophet." (AP Photo/Hassan Ammar) *** Local Caption *** Mideast Egypt.JPEG-0d9ed.jpg

Mr El Sisi, who was appointed by Mr Morsi only to turn against him after a year into the president's rule, made his first appearance on Sunday since the killings, smiling before television cameras at a graduation ceremony for police recruits dressed in st???