Incident Summary:

05/05/2014: Assailants attacked residents and buildings with firearms and explosive devices in Gomboru Ngala town, Borno state, Nigeria. At least 315 people were killed, an unknown number were injured, and numerous buildings were destroyed in the attack. No group claimed responsibility for the incident; however, sources attributed the attack to Boko Haram.




Sub-Saharan Africa

region/u.s. state:


Gamboru Ngala

Attack Information
Type of Attack (more) Armed Assault
Successful Attack? (more) Yes
Target Information (more)
Target Type: Private Citizens & Property
Name of Entity Gamboru Ngala Town
Specific Description Town
Nationality of Target Nigeria
Additional Information
Hostages No
Ransom No
Property Damage Yes
Extent of Property Damage Unknown
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Explosives Projectile (rockets, mortars, RPGs, etc.)
Firearms Automatic Weapon
Incendiary Arson/Fire
Weapon Details
Rocket-propelled grenades and automatic firearms were used in the attack.
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Doubt Terrorism Proper (more) No
Additional Information Casualty numbers for this attack conflict across sources. Following GTD protocol, the most recent reliable estimates are reported here.
Perpetrator Group Information
Group Name Claimed Responsibility
Boko Haram No
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 315 Fatalities
Total Number of Fatalities 315
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured Unknown
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Boko Haram Gunmen Raze Town On Cameroon Border: Residents," AFP (World Service), May 5, 2014.
"Gambouru Death Toll Hits 315," The Guardian Nigeria, May 10, 2014.
"Boko Haram attacks again, killing more than 200," UPI, May 7, 2014.