Incident Summary:

08/25/2017: Four assailants, armed with grenades, firearms, and knives attacked the Imam Zaman Mosque in Qala-e Najara, Kabul, Afghanistan. In addition to the four assailants, at least one of whom was a suicide bomber, 28 people were killed and 50 others were injured in the attack. The Khorasan Chapter of the Islamic State claimed responsibility for the incident, stating that the attack was in response to a cleric promoting the killing of Khorasan Chapter members.




South Asia

region/u.s. state:



Location Details:
The incident occurred in the Qala-e Najara area of the 11th police district.

Attack Information
Type of Attack (more) Armed Assault
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Religious Figures/Institutions
Name of Entity Imam Zaman Mosque
Specific Description Mosque
Nationality of Target Afghanistan
Additional Information
Hostages No
Ransom No
Property Damage Yes
Extent of Property Damage Minor (likely < $1 million)
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Explosives Suicide (carried bodily by human being)
Explosives Grenade
Firearms Automatic Weapon
Weapon Details
Multiple 12-kilogram explosives-laden vests, grenades, Kalashnikov assault rifles, and knives were 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
Additional Information Casualty numbers conflict across sources. Following GTD protocol, the majority reliable estimates are reported here.
Perpetrator Group Information
Group Name Claimed Responsibility
Khorasan Chapter of the Islamic State Yes (Confirmed: Unknown; Mode: Posted to website, blog, etc.)
Perpetrator Statistics
Number of Perpetrators 4
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 32 Fatalities / 50 Injured
Total Number of Fatalities 32
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 4
Total Number of Injured 50
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Death toll from attack on Afghan Shia rises to 28," Al Jazeera, August 26, 2017.
"Death Toll Rises To 28 In Kabul Shi'ite Mosque Attack," Radio Free Europe, August 26, 2017.
"At least 30 reported slain in Kabul siege," The Washington Post, August 26, 2017.