source: Daily Independent (Nigeria); Daily Trust (Nigeria); Daily Leadership (Nigeria); Daily Post (Nigeria); Nigeria Punch; Sun (Nigeria); Guardian (Nigeria)
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: Gamboru
notes: On 14 June 2020, Nigerian Armed Forces based in Gamboru from Ngala LGA (Borno) clashed with Boko Haram at Kumo, Diime and Sabori. 13 BH fighters were killed and 32 captives freed.