source: Telegram
actor1: Military Forces of Niger (2011-2021)
actor2: Islamic State (West Africa) - Lake Chad Faction
location: Marte
notes: On 18 January 2021, ISWAP clashed with Nigerien MNJTF forces in Marte (Marte LGA, Borno), killing over 20 Nigerien soldiers and injuring many others.