source: UN (unspecified)
actor1: Islamic State (West Africa) and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
actor2: Military Forces of Cameroon (1982-)
location: Sandawadjiri
notes: Night of 18 to early 19 January. Boko Haram and Cameroon Military forces clash in Sandawadjiri, killing one Boko Haram fighter.