The executive director of the United Nations World Food Program says the international community "cannot and must not ignore" deepening food shortages in Niger, which are being aggravated by thousands of refugees fleeing fighting in northern Mali. (..) WFP's Executive Director Ertharin Cousin said this year's crisis in Niger is "even more complicated" than it has ever been in the past. "What you have is communities that are suffering from a failed harvest, so there is nothing in some markets. Where there is food in markets, because of high food prices, they can't afford it so they have no access," she said. "And, then you have the refugees coming into Niger.