Gunmen wounded dozens of Shi’ite pilgrims and killed two in Baghdad on Wednesday, raking their vehicles with machinegun fire in the latest outbreak of sectarian violence that is threatening Iraq with civil war. Police also reported the discovery of six more bodies on the streets of Baghdad, all apparent victims of the communal bloodshed between majority Shi’ites and once-dominant Sunnis which some Iraqi officials fear could expand into open warfare. Rebels blasted a police station with grenade and mortar fire before dawn, killing four policemen in Madaen, southeast of Baghdad, in the second such attack in two days. Police said they had detained about 70 suspects in raids in the town afterwards. Full Story