The protesters are demanding a government of national unity.
Iraq's government said that political leaders would soon meet with Iraqi President Jalal Talabani in the Kurdish north to discuss the composition of the new government.
Meanwhile, police say three Iraqis were killed today in separate attacks throughout the country. The killings follow yesterday's wave of violence in which at least 20 died.
Police also say workers in the southern city of Karbala have uncovered what they believe to be a mass grave.
Human remains found at the site are believed to date back to 1991, when the former Iraqi government crushed a Shi'ite uprising in the area.
Coalition Images Of The Voting
The Multinational Force in Iraq on December 15, 2005, released official images of the voting in the legislative elections. To view a slideshow of their photographs, click on the image.
To see RFE/RL's special webpage about the election, click here.