source: Corbeau News
actor1: CPC: Coalition of Patriots for Change
actor2: Wagner Group
location: Groupement Boyo
notes: On 15 May 2021, UPC faction of CPC militants clashed with Russian and Syrian mercenaries of Wagner Group in the Groupement Boyo (Haute Baidou, Bambari). Around 20 fatalities were reported, including civilians, and split over two events.