Iraqi army offensive looming in west Mosul Iraqi forces are preparing an offensive to capture western Mosul from the so-called Islamic State. The Sunni Muslim jihadists are cornered in a shrinking area and are expected to put up a fierce fight ΡΡΡΡΡΡΡΡ IS fighters positioning snipers in buildings on west bank of Tigris ahead of offensive Iraqi government forces expected to launch cross-river assault ΡΡΡΡΡΡΡΡ Around 100,000 U.S.-backed Iraqi troops, Kurdish forces and Shia militias took almost 100 days to retake eastern Mosul in biggest battle since U.S.-led invasion of 2003 IRAQ Mosul City limits M O S U L Mosul University Nineveh ruins Tigris IRAQI FORCES CONTROL Great Mosque ISLAMIC STATE CONTROL IS barricades Government centre Buildings razed to clear line of sight Airport 2km 1.25 miles ΡΡΡΡΡΡΡ Sources: Institute for the Study of War, Stratfor, Wire agencies Picture: Google Earth © GRAPHIC NEWS