Shiite Muslims making one of their most important pilgrimages in Iraq were targeted again on Wednesday by gunmen and suicide bombers, medical and police officials said. Gunmen opened fire on a bus carrying Pakistani Shiites traveling from Samarra to Baghdad, killing three people and wounding 11, officials said. In Diyala Province in northern Iraq, a policeman guarding Shiite pilgrims noticed a person he suspected was a suicide bomber trying to infiltrate the crowd, medical and security officials said. When the officer grabbed hold of him, the attacker detonated his explosives, killing the officer and four other people. Many Shiites from Iraq and other countries are making their annual pilgrimage to the city of Karbala for Arbaeen, which marks the 40-day mourning period for Imam Hussein, a grandson of the Prophet Muhammad. The pilgrims typically travel by foot or vehicles over long distances to reach shrines in Karbala […]