geneva nearly 340,000 rohingya children live squalid condition bangladesh camp lack enough food clean water health care unite nations children fund unicef say friday 12,000 children join every week flee violence hunger myanmar often still traumatize atrocities witness say report outcast desperate almost 600,000 rohingya refugees leave northern rakhine state since aug. 25 u.n. say myanmar army begin campaign ethnic cleanse follow insurgent attack go short-term go end anytime soon simon ingram report author unicef official tell news brief absolutely critical border remain open protection children give equally children bear bangladesh birth register rohingya stateless myanmar many flee without paper say add newborns bangladesh without identity chance ever assimilate society effectively safe drink water toilets desperately short supply chaotic teem camp settlements ingram say spend two weeks cox bazar bangladesh sense surprise must truly see place hell earth say one five rohingya children age five estimate acutely malnourish require medical attention say severe risk outbreaks water-borne diseases diarrhea quite conceivably cholera longer-term add unicef provide clean water toilets help vaccinate children measles cholera deadly say agency seek 76 million 434 million u.n. appeal rohingya refugees six months percent fund say speak ahead pledge conference geneva monday u.n. agencies still demand access northern rakhine unknown number rohingya remain despite u.n. report many villages food stock burn repeat call need protection children rakhine state absolute fundamental requirement atrocities children civilians must end ingram say must keep put record keep silent rohingya refugee children bangladesh dire state unicef