Turkish Shi'ite women shout Islamic slogans as they mourn during an Ashura procession in Istanbul November 24, 2012. Muslims all over the world mourn the slaying of Imam Hussein during the first ten days of the Islamic month of Muharram. Imam Hussein was killed by his political rivals along with 72 companions in the seventh century battle of Kerbala. REUTERS/Murad Sezer (TURKEY - Tags: ANNIVERSARY RELIGION CIVIL UNREST)