Iraqi Muslim worshippers shake hands during a joint Sunni-Shi'ite Friday prayer at the Martyrs Monument in Baghdad May 24, 2013. Iraqi Prime Minister Nuri al-Maliki has called to establish unified Friday prayers between Sunnis and Shi'ites in Baghdad, after attacks on Sunni and Shi'ite mosques in recent weeks. REUTERS/Thaier al-Sudani (IRAQ - Tags: RELIGION CIVIL UNREST TPX IMAGES OF THE DAY)
Iraqi Muslim worshippers shake hands during a joint Sunni-Shi'ite Friday prayer at the Martyrs Monument in Baghdad May 24, 2013. Iraqi Prime Minister Nuri al-Maliki has called to establish unified Friday prayers between Sunnis and Shi'ites in Baghdad, after attacks on Sunni and Shi'ite mosques in recent weeks. REUTERS/Thaier al-Sudani (IRAQ - Tags: RELIGION CIVIL UNREST TPX IMAGES OF THE DAY)