Some 1M civilians could flee Mosul, with 700K of them requiring shelter
                                
                                
                                    (Newser) -
                                    The military  operation to wrest Mosul from ISIS  could become the single largest, most complex humanitarian operation in the world in 2016, a UN official said Monday. Lise Grande, the UN humanitarian coordinator for Iraq, said that in the worst case scenario, some 1 million civilians could flee the city,...