actor1: Military Forces of Nigeria (2015-)
actor2: Civilians (Nigeria)
notes: 11 September. Military forces reportedly killed 180 members of the Igbo ethnicity during operations against Biafra in Asa, Aba, Umahia, and Isiala-Ngwa. This was reported by an organization who identified seven mass graves, thought to contain some of those killed during the operation. The total fatalities were disaggregated by location.
target_text: actor1: Military Forces of Nigeria (2015-), actor2: Civilians (Nigeria)