Iraqi security forces and Shi’ite militia fighters have captured part of the largest district of Tikrit from the self-proclaimed Islamic State group, according to security officials and the provincial governor.<br /><br /> It comes a day after they retook the neighbouring town of al-Alam.<br /><br /> The new area under army control is in the north of Tikrit, Saddam Hussein’s home town, which was seized by ISIL extremists nine months ago.<br /><br /> Reports on Tuesday said the Iraqi army and allied forces had taken several areas of the city as militants began to retreat after a week of heavy fighting. <br /><br /> If the army’s operation succeeds it will be a significant step on the road to Mosul, Iraq’s second largest city also under ISIL control.<br /><br /> But there’s some concern over the outcome in Tikrit – a mainly Sunni Muslim city whereas the offensive comes from mostly Shi’ite forces.<br /><br /> Iranian forces are also said to have been involved in the operation. There’s unease over Tehran’s role and influence, particularly among som