La festa di Arbaeen a Karbala, Iraq

(AP Photo/Hadi Mizban)

03/02/2010 - Shiite Muslim women attend the festival of Arbaeen, one of the holiest days in their religious calendar in the holy city of Karbala, Iraq, Wednesday, Feb. 3, 2010. A bomb planted on a parked motorcycle exploded Wednesday on the outskirts of Karbala amid tight security for the huge religious procession.