REUTERS – Islamic State militants claimed responsibility on Wednesday for an overnight suicide bombing in a Shi’ite district of Baghdad which killed 33 people, one of the deadliest recent attacks in the Iraqi capital. The hardline Sunni Islamist group which has led an offensive through northern and western Iraq said the explosion in Kadhimiya, site of a major Sh’ite shrine, was carried out by a fighter it named as Abu Abdul-Rahman al-Tunisi (the Tunisian) Continue