Tahrir Square filled at general's urging

CAIRO, EGYPT - JULY 26: An Egyptian Army Apache helicopter flies over a crowd of pro-military demonstrators at Tahrir Square on July 26, 2013 in Cairo, Egypt. Protesters gathered to show support of the overthrow of Egyptian President Mohammed Morsi by the Egyptian military on July 3rd. General Ahmed Fattah al-Sissi, Egypt's Chief of the Armed Forces, called for mass anti-Morsi protests across Egypt on against 'violence and terrorism'. Egyptian authorities took their first legal steps against deposed President Morsi on Friday, charging Morsi with allegations of espionage and murder during his year in power. (Photo by Ed Giles/Getty Images).
CAIRO, EGYPT - JULY 26: An Egyptian Army Apache helicopter flies over a crowd of pro-military demonstrators at Tahrir Square on July 26, 2013 in Cairo, Egypt. Protesters gathered to show support of the overthrow of Egyptian President Mohammed Morsi by the Egyptian military on July 3rd. General Ahmed Fattah al-Sissi, Egypt's Chief of the Armed Forces, called for mass anti-Morsi protests across Egypt on against 'violence and terrorism'. Egyptian authorities took their first legal steps against deposed President Morsi on Friday, charging Morsi with allegations of espionage and murder during his year in power. (Photo by Ed Giles/Getty Images).

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    Tahrir Square filled at general's urging

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Thousands of supporters have taken to the streets at the urging of Egypt's military chief. CNN's Ben Wedeman reports.