Egypt's military has stormed Cairo's Tahrir Square, beating protesters and burning their tents.<br /><br />Saturday marked the second day of clashes in the city, which have killed nine people and injured over 350 more. <br /><br />Violence has escalated, with Egypt's Prime Minister Kamal El-Ganzouri calling the fighting an attack on the country's revolution.<br /><br />Al Jazeera's Sherine Tadros reports from Cairo.