source: Guardian (Nigeria); CKN Nigeria; Daily Independent (Nigeria)
actor1: Islamic State (West Africa) - Lake Chad Faction and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
actor2: Civilians (Nigeria)
location: Maiduguri
notes: On 30 June 2020, Boko Haram abducted 4 aid workers and 1 security worker in Borno State. They were later reported to have been killed.