source: AFP; Guardian (Nigeria)
actor1: Islamic State (West Africa) - Lake Chad Faction and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
actor2: Military Forces of Nigeria (2015-)
location: Gamboru
notes: On 27 August 2020, Boko Haram militants clashed with military forces during an ambush on a civilian convoy in Mussine in the Gamboru area (Ngala LGA, Borno), but were repelled by military troops. Two reported fatalities and 15 injuries.