Four million people living in the grinding poverty of Nairobi’s huge and overcrowded urban slums are on the brink of a massive food crisis. Because they are already so poor and their living conditions already so bad, this deadly threat is hard for the outside world to see. Concern has launched a report urging an immediate response – before it is too late.
In just two "neighorhoods" of Kibera slum, the report commissioned by Concern, Care, and Oxfam revealed that more than 5,000 children under five years old are currently suffering from malnutrition, with one-fifth of these suffering from severe acute malnutrition. Food shortages have been exacerbated by drought and poor harvests. Cooking fuel prices have risen by 30-50 percent, and the cost of water has more than doubled.
 
full story here : http://www.concernusa.org/Public/News.aspx?Id=739