Incident Summary:

08/26/2011: On Friday, in Abuja, Abuja Federal Capital Territory, Nigeria, 23 people were killed and 81 people were injured when suspected militant Mohammed Abul Barra detonated a suicide vehicle borne improvised explosive device that had been concealed inside a Honda Accord at the United Nations (UN) headquarters building. The attack caused a tremendous amount of material damage to the UN building and destroyed the Honda Accord. The car used in the bombing was registered in the Kano State. The UN claimed that no child died in the blast. The militant group Boko Haram claimed responsibility for the attack through a spokesman. On 08/31/2011, Nigeria's State Security Service released a statement in which it named Mamman Nur, a Boko Haram member with Al Qaeda links, who is suspected for masterminding the bombing. It was also reported in the statement that other two suspects, Babagana Ismail Kwaljima, also known as Abu Summary, and Babagana Mali, also known as Bulama, were arrested by State Security Service and were being held in a military facility.




Sub-Saharan Africa

region/u.s. state:



Location Details:
At the United Nations headquarters building in Abuja, Abuja Federal Capital Territory, Nigeria.

Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Government (Diplomatic)
Name of Entity United Nations
Specific Description The United Nations headquarters building was targeted in the attack.
Nationality of Target International
Additional Information
Hostages No
Property Damage Yes
Extent of Property Damage Minor (likely < $1 million)
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Explosives/Bombs/Dynamite Vehicle
Weapon Details
A suicide vehicle borne improvised explosive device was used in the attack.
Additional Information
Suicide Attack?Yes
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Doubt Terrorism Proper (more) No
Perpetrator Group Information
Group Name Claimed Responsibility
Boko Haram Yes (Confirmed: Unknown; Mode: Personal claim)
Perpetrator Statistics
Number of Perpetrators 4
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 24 Fatalities / 81 Injured
Total Number of Fatalities 24
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 1
Total Number of Injured 81
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Will Connors, "Nigeria Attack Sparks Broader Concerns," Wall Street Journal, August 29, 2011,"
"Agence France Presse, "Nigeria Accuses Al-Qaida-Linked Suspect of Masterminding UN Attack," World News Connection, Agence France Presse, August 31, 2011."
"Voice of America, "Nigeria: Al-Qaida-Linked Man Involved in UN Bombing," (August 31, 2011)."