According to the IOM Displacement Tracking Matrix, 369,000 individuals had been displaced from West Mosul between 25 February to 23 April 2017. Departures continue to surpass arrivals at camps east of Mosul. Between 19 and 20 April, 161 families (801 individuals) arrived, mainly from west Mosul, while 281 families (1,452 individuals) departed, primarily to east Mosul. Families fleeing from west Mosul cited continuous insecurity, including in liberated areas, which are frequently targeted by mortar rounds. Lack of food, water and basic services were other reasons contributing to their flight