source: Vanguard (Nigeria)
actor1: Military Forces of Nigeria (2015-)
actor2: Islamic State (West Africa) and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
location: Gwoza
notes: 31 May. Five military members are dead following the detonation of an Boko Haram IED on a road between Pidang - Bita village of Gwoza Local Government Area of Borno state.