our world affairs correspondent , mike wooldridge, has this. >> in the spotlight now, with a new hunger emergency feared if aid isn't rapidly stepped up, the region of west africa. children with is he viewer malnutrition being treated in niger, one of the countries hit by a deadly combination of drought, crop pests, and soaring food prices. and it's the record food prices of the past year that this new report from save the children focuses on. it says they've compounded the chronic problem of child malnutrition and forecasts terrible consequences if there isn't more concerted action. >> we've made progress to reduce child mortality because of immunization, for things like diarrhea and pneumonia from measles. but that will stahl unless we deal with this stubborn problem of malnutrition f. we don't, 2.6 million children will continue to die every year. >> in bangladesh, one of the countries where save the children carried out its survey, prices in the food markets are said to have risen by up to 50%. for many, they're now unaffordable. this woman says whatever she gets is never enough to