source: Sembe TV
actor1: Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
actor2: Military Forces of Nigeria (2015-)
location: Banki
notes: On 27 September 2019, presumed Boko Haram (JAS) militants attacked the Military Forces of Nigeria in Banki (Bama, Borno). No fatality reported.