A woman holds up a poster of Iraqi Shi'ite clerics Mohamad al-Hakim (R) and Ayatollah Ali al- Sistani during a protest against the detention Ammar al-Hakim, in Najaf, 160 km (100 miles) south of Baghdad, February 24, 2007. Iraqis took to the streets of Shi'ite towns and cities on Saturday to protest over the detention by U.S. troops of the eldest son of Abdul-Aziz al-Hakim, one of Iraq's most powerful Shi'ite leaders. REUTERS/Ali Abu Shish (IRAQ)