Incident Summary:

08/25/2017: An assailant attacked soldiers with a machete in Brussels, Belgium. At least one soldier was injured in the attack while the assailant was shot and killed. Sources identified the assailant as Haashi Ayaanle and noted that he shouted "Allahu Akhbar" and was carrying copies of the Koran during the attack. Additionally, the Islamic State of Iraq and the Levant (ISIL) claimed that the assailant was an "Islamic State soldier;" however, Ayaanle's connection to the group could not be confirmed.




Western Europe

region/u.s. state:



Location Details:
The incident occurred on Boulevard Emile Jacqmain.

Attack Information
Type of Attack (more) Armed Assault
Successful Attack? (more) Yes
Target Information (more)
Target Type: Military
Name of Entity Belgian Armed Forces
Specific Description Patrol
Nationality of Target Belgium
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Melee Knife or Other Sharp Object
Weapon Details
A machete was 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) No
Doubt Terrorism Proper (more) No
Additional Information Casualty numbers conflict across sources. Following GTD protocol, the lowest reliable estimates are reported here. Sources noted that the assailant had previously been admitted to a psychiatric clinic on a voluntary basis.
Perpetrator Group Information
Group Name Claimed Responsibility
Muslim extremists No
Perpetrator Statistics
Number of Perpetrators 1
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 1 Fatalities / 1 Injured
Total Number of Fatalities 1
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 1
Total Number of Injured 1
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"ISIS claims attack on soldiers in Brussels," CNN, August 26, 2017.
"Brussels - Belgian of Somali origin staged Brussels knife attack: prosecutors," AFP (North European Service), August 26, 2017.
"Man shot after stabbing Brussels troops," BBC, August 25, 2017.