source: La Prunelle
actor1: Ngumino Ethnic Militia (Democratic Republic of Congo)
actor2: Civilians (Democratic Republic of Congo)
location: Biriba
notes: On 26 January 2021, Mayi Mayi militiamen (Gumino and Twirwaneho factions) killed two civilians during an attack in the village of Mukumba in the groupement of Bijombo, otherwise known as Biriba (Uvira, Sud-Kivu).