source: Undisclosed Source
actor1: Islamic State (West Africa) - Lake Chad Faction
actor2: Military Forces of Nigeria (2015-)
location: Maiduguri
notes: On 14 September 2021, ISWAP claimed an IED attack on a Nigerian army convoy on the road between Katafila and Mararaba (coded to Maiduguri, Maiduguri Metro, Borno). Two vehicles were destroyed. Casualties unknown.