Fears grow that Iraq is becoming a forgotten humanitarian crisis with few signs the international community can heed calls from exiled Yazidis to make their homeland secure, amid diminishing funds and massive displacementKhatwn Mirza was seven months pregnant when Islamic State militants stormed Sinjar.In the early hours of 3 August 2014, facing little resistance from the Kurdish forces, Isis began a killing spree that would last for days and result in the death of hundreds of people, and the abduction of scores more.