Protesters shout anti- Hazem al-Araji , a senior aide to the radical Shiite cleric , called on the Iraqi government to release all Sadrist detainees inside U.S. and Iraqi prisons . BAGHDAD slogans , chant religious songs . Thousands of supporters of Al-Sadr rally in historic square . Muqtada al-Sadr aide calls on Sadrist government to release all Iraqi detainees .
Protesters shout anti- BAGHDAD slogans , chant religious songs . Thousands of supporters of Al-Sadr rally in historic square . Muqtada al-Sadr aide calls on Sadrist government to release all Iraqi detainees .