source: Radio Tamazuj
actor1: Military Forces of South Sudan (2011-)
actor2: SPLM-In Opposition: Sudan People's Liberation Movement-In Opposition
location: Liang
notes: On 16 March 2021, SPLM-IO forces accused the SSPDF of attacking their position at Liang (Maban county, Upper Nile state), killing two IO soldiers. The SSPDF have denied doing so.