The war in Ukraine could have dramatic consequences for food distribution in developing countries, a forecast by the United Nations showed on Friday. If there are major cuts in the export of grain from major producers Ukraine and Russia, and if prices continue to rise worldwide, millions of people will be threatened with malnutrition by next year, a simulation by the UN’s Food and Agriculture Organization (FAO) found. Prices for wheat and corn, among other grains, have already risen sharply on world markets. The FAO estimates that the number of undernourished people worldwide will rise by 8 mi…