PHOTO GALLERY: Egypt military supporters pack Tahrir to heed call by army chief

Demonstrators set off fireworks in Tahrir square A banner in Tahrir square that reads: "the revolution needs strength" Protesters carrying pictures of Egyptian army chief Abdel Fattah El-Sisi Protesters lifting a banner that reads "Egypt against terrorism" Pro-military protesters pack Tahrir square Pro-military protesters pack Tahrir square Pro-military protesters pack Tahrir square Demonstrators set off fireworks in Tahrir Square Protesters carrying pictures of Egyptian army chief Abdel Fattah El-Sisi