Long delayed peacekeepers to arrive in South Sudan next week: UN The first elements of a long-delayed UN regional force for South Sudan will start to be deployed next week, eventually adding 4,000 peacekeepers to the current 12,000. The announcement was made by the UN's Under-Secretary-General for Peacekeeping Operations Hervé Ladsous during a visit to Juba. IMAGES AND SOUNDBITESREFILE MODIFYING CUE