source: Sun (Nigeria)
actor1: Islamic State (West Africa) and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
actor2: Civilians (Nigeria)
location: Maiduguri
notes: On or before 20 August. Boko Haram members destroy the Alau Dam facility near Maiduguri in Borno State.