'A combined Iraqi-Iranian force has now taken control of 85% of the city'

'Iranian troops have helped Iraqi government forces re-take the town of Tikrit, the Wall St Journal reports Iranian security sources as saying.The source said that two battalions of Iran's Quds force, the overseas branch of the country's Revolutionary Guard, helped battle ISIS Islamist militants in the city.A combined Iraqi-Iranian force has now taken control of 85% of the city, the sources added.'