source: Twitter; Signal; Actu (Niger)
actor1: Islamic State (West Africa) - Greater Sahara Faction
actor2: Civilians (Niger)
location: Bangou Koirey
notes: On 23 May 2021, presumed ISWAP (Greater Sahara) militants attacked a transport vehicle in Bangou Koirey (Ouallam, Tillaberi). The militants killed 11 people.