Hunger must never be 'weapon of war': UN chief

The African Union, for its part, urged donors to provide greater support for the world's poorest continent, which is struggling with poverty, unrest and the effects of climate change. The summit takes place against the backdrop of aid cuts by the United States and other Western nations that are badly affecting much of the developing world. Sudan is "the largest humanitarian catastrophe facing our world and also the least remembered", Othman Belbeisi, the regional director of the UN's migration agency, IOM, told reporters last week.