source: UNSC
actor1: Military Forces of South Sudan (2011-)
actor2: Unidentified Communal Militia (South Sudan)
location: Tonga
notes: On April 15, SSPDF clashed with armed pastoralists at Obay in Panyikang county (Upper Nile state; coordinates for Tonga used at prec2). One soldier and four pastoralists were killed. (Note: given the proximity to the border, it is possible the pastoralists were from Sudan, though have been coded as South Sudanese pending further information).