— CAIRO (AP) — Protesters stormed and ransacked the Cairo headquarters of President Mohammed Morsi's Muslim Brotherhood group early Monday, in an attack that could spark more violence as demonstrators gear up for a second day of mass rallies aimed at forcing the Islamist leader from power.
Organizers of the protests, meanwhile, gave Morsi until 5 p.m. on Tuesday to step down and called on the police and the military to clearly state their support for what the protest movement called the popular will.
Sunday saw millions of Egyptians flood the streets nationwide in a massive outpouring of anger and frustration with the president and the Brotherhood, the Islamist group that propelled Morsi to power. The protests were largely peaceful, although in a sign of the volatility of the country's divisions, clashes erupted in the evening around the Brotherhood's Cairo headquarters between armed Morsi supporters barricaded inside the building and young protesters pelting it with firebombs and rocks.
After clashes raged overnight, protesters managed to breach the compound's defenses and storm the six-story building early Monday, carting off furniture, files, rugs, blankets, air conditioning units and portraits of Morsi, according to an Associated Press journalist at the scene. One protester emerged with a pistol and handed it over to a policeman outside.
Footage on local TV networks showed smashed windows, blackened walls and smoke billowing out of the fortified villa in the Muqatam district in eastern Cairo. A fire was still raging on one floor hours after the building was stormed. One protester tore down the Muslim Brotherhood sign from the building's front wall, while another hoisted Egypt's red, black and white flag out an upper-story window and waved it in the air in triumph.
Health Ministry spokesman Yehya Moussa told state television that at least 16 people nationwide have been killed in violence related to the protests since Sunday, eight of them at the Brotherhood's headquarters. A total of 781 people have been injured, he added.