109 also are injured as a woman detonates explosives hidden beneath her cloak at a hospitality tent where Shiites had gathered before a pilgrimage to Karbala. A female suicide bomber detonated a vest rigged with explosives among a crowd of Shiite Muslim pilgrims in northeastern Baghdad on Monday, killing 54 and wounding 109, marking the latest in a string of attacks that had unnerved the city ahead of pivotal national elections in March.