source: Journal du Cameroun
actor1: Military Forces of Nigeria (2015-)
actor2: Islamic State (West Africa) - Lake Chad Faction and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
location: Gambaru
notes: On 7 April 2019, Military forces clash with ISWAP or Boko Haram militants in Gambaru (Ngala, Borno). No casualties were reported.