source: Amaq
actor1: Islamic State (West Africa) - Lake Chad Faction
actor2: Military Forces of Chad (1990-2021)
location: Litri
notes: On 18 November 2020, an IED device planted by ISWAP militants exploded in the path of a Chadian army boat between Gumbo and Litri (Lac, Mamdi), killing dozens of soldiers and sinking the boat.