Incident Summary:

12/22/2019: Assailants attacked Damaturu, Yobe, Nigeria. 31 assailants were killed and two soldiers were injured in the ensuing clash. No group claimed responsibility; however, sources attributed the incident to the Al-Barnawi faction of Boko Haram, also known as the Islamic State West Africa Province (ISWAP).




Sub-Saharan Africa

region/u.s. state:



Attack Information
Type of Attack (more) Armed Assault
Successful Attack? (more) Yes
Target Information (more)
Target Type: Military
Name of Entity Nigerian Armed Forces
Specific Description Soldiers
Nationality of Target Nigeria
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Firearms Unknown Gun Type
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) No
Doubt Terrorism Proper (more) Yes
Alternate Designation (more) Insurgency/Guerilla Action
Additional Information Casualty numbers conflict across sources. Following GTD protocol, the majority reliable estimates are reported here.
Perpetrator Group Information
Group Name Group Sub-name Claimed Responsibility
Boko Haram Al-Barnawi faction (Islamic State West Africa Province-ISWAP) No
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 31 Fatalities / 2 Injured
Total Number of Fatalities 31
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 31
Total Number of Injured 2
Number of U.S. Injured 0
Number of Perpetrators Injured Unknown
"Isis release new video showing beheading of 10 Christian hostages; Terror group offshoot claims killings are retaliation for death of Abu Bakr al-Baghdadi," The Independent, December 27, 2019.
"Nigerian troops kill 31 Boko Haram militants in gunfight," Xinhua General News Service, December 24, 2019.
"ISWAP top Commander, 30 others killed in battle with troops," The Nation (Nigeria), December 24, 2019.