Sadr's supporters leave Baghdad on his order following riots
Violent clashes erupted in Iraq's Republican Palace in the heavily protected Green Zone after the powerful Shi'ite cleric announced he would fully withdraw from politics.
Shi'ite fighters from Saraya al-Salam, who are loyal to radical cleric Muqtada al-Sadr, gather in the holy city of Najaf before heading to the northern Iraqi city of Tikrit(photo credit: REUTERS/ALAA AL-MARJANI)ByDEBBIE MOHNBLATT/THE MEDIA LINEUpdated: