"my parents are dead" is the only thing he said when he arrived at the all sabbah children's hospitalee weeks ago. head nurse betty achang told us uel is severely traumatized after watching his parents shot in front of him. he barely eats the food he so desperately needs. >> he cries and he says he wants the mother and the father. >> reporter: abel is just one udre victim of south sudan's three-year civil war, and now there is a new weapon-- starvation. e e million children are in desperate need of food, but the fierce fighting means aid workers cannot reach the areas that need it most. there are critical food shortages now throughout the country. >> i just feel pain. what can we do? a school-- a child is supposed to be in school, and they are sut supposed to be dying just like that. >> reporter: today, six-month- old monica was admitted. poe weighs less than nine aunds, and when her stick-like arms are measured it shows up red on the tape measure. the marker says red. what does that mean? >> it means the child is severely malnourished. >> reporter: there are so many beildren needing