(UN News Centre) – The United Nations Children’s Fund (UNICEF) and the World Food Programme (WFP) have stepped up their activities in South Sudan after the recently released Integrated Food Security Phase Classification (IPC) today revealed that nearly 237,000 children in the country are estimated to be suffering from severe acute malnutrition. UNICEF and WFP jointly launched a mass mobilization campaign today, where 240 trained volunteers will go door-to-door to assess and screen more than a quarter of a million children in Warrap, South Sudan till the end of the year, and refer those with malnutrition to health facilities and other nutrition treatment centres.