Iraqi special forces fighting Islamic State have reached the eastern bank of the Tigris river in a U.S-backed offensive to capture the city of Mosul from the militants, who still control its entire western half Iraqi forces reach Tigris in battle for Mosul IRAQ Mosul Iraqi government forces Islamic State group (IS) Advance of Iraqi troops Bridges put out of action by coalition air strikes Old Bridge Jan 8: Iraqi forces reach Tigris from eastern side of Fourth Bridge Barricades erected by IS across southern edge of city Buildings razed to clear line of sight MOSUL Tigris Mosul University Baladiyat Kindi military base Great Mosque Airport Municipality of Mosul Nineveh ruins Muthana Sukkar Salam Hospital 1.25 miles 2km Sources: Institute for the Study of War, Stratfor, Wire agencies Picture: Google Earth