The mood in Tahrir Square has changed drastically over the last week as jubiliation turned to violence. Reporters and demonstrators have been attacked. However, people continue to fill the square. The BBC's Lyse Doucet was in Tahrir Square, where one pro-Mubarak brought her child to the scene. There are reports that the Egyptian army has stepped in to keep the peace and to protect those who continue to protest President Mubarak.