source: Vanguard (Nigeria)
actor1: Military Forces of Nigeria (2015-)
actor2: Islamic State (West Africa) - Lake Chad Faction
location: Gudumbali
notes: On 14 December 2019, Nigerian Air force conducted airstrikes against a camp of ISWAP in Kollaram in Northern Borno, near Gudumbali (Guzamala, Borno) and killed an undisclosed number of ISWAP fighters. Unknown number of fatalities coded as 10.