Female suicide bomber detonates in a crowd on way to a religious festival . Devout Shia Muslims walk in Baghdad towards the holy city of Karbala . In 2007 , insurgents have targeted Shiite Iraqi pilgrims walking to BAGHDAD . at least 48 children killed in separate incident when unexploded mortar round exploded .
Female suicide bomber detonates in a crowd on way to a religious festival . In 2007 , insurgents have targeted Shiite Iraqi pilgrims walking to BAGHDAD . at least 48 children killed in separate incident when unexploded mortar round exploded .