source: Vanguard (Nigeria); AFP
actor1: Military Forces of Nigeria (2015-)
actor2: Islamic State (West Africa) - Lake Chad Faction
location: Gajigana
notes: On 22 December 2019, a patrol of Nigerian Armed Forces encountered presumed ISWAP militants on the Tungusher-Gajigana road (Magumeri, Borno) and killed three fighters with IED vests. Six soldiers were killed.