Two Iraqi soldiers were killed Tuesday when a suicide bomber blew himself up during an army raid targeting Islamic State group militants north of Baghdad, security sources said. A trapped militant “detonated his explosives belt, killing a major and another soldier, also wounding three others”, an interior ministry source told AFP, asking not to be named. A second Islamist militant was killed when he also tried to set off a suicide bomb in the army operation in the rural area of Tarmiya, the source said. IS overran large swathes of Iraq and neighbouring Syria in 2014, declaring a “caliphate”, b…