Incident Summary:

04/21/2017: Assailants, including suicide bombers, attacked a military base in Mazari Sharif, Balkh, Afghanistan. At least 256 soldiers and 10 assailants were killed and 64 soldiers were injured in the ensuing clash. The Taliban claimed responsibility for the incident and stated that the attack was carried out in retaliation for the death of two Taliban members in the area. In addition, sources also suspected that the Haqqani Network may have been involved in the attack.




South Asia

region/u.s. state:


Mazari Sharif

Attack Information
Type of Attack (more) Armed Assault
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Military
Name of Entity Afghan National Army (ANA)
Specific Description Base
Nationality of Target Afghanistan
Additional Information
Hostages No
Property Damage Yes
Extent of Property Damage Unknown
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Explosives/Bombs/Dynamite Suicide (carried bodily by human being)
Explosives/Bombs/Dynamite Grenade
Firearms Automatic Weapon
Weapon Details
Explosives-laden jackets and vests, grenades, rocket-propelled grenades (RPGs), machine guns, and rifles 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) No
Doubt Terrorism Proper (more) Yes
Alternate Designation (more) Insurgency/Guerilla Action
Additional Information Casualty numbers conflict across sources. Following GTD protocol, the most recent reliable estimates are reported here.
Perpetrator Group Information
Group Name Claimed Responsibility
Haqqani Network (suspected) No
Taliban Yes (Confirmed: Unknown; Mode: E-mail)
Perpetrator Statistics
Number of Perpetrators 10
Number of Captured Perpetrators 1
Casualty Information
Total Number of Casualties 266 Fatalities / 64 Injured
Total Number of Fatalities 266
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 10
Total Number of Injured 64
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Afghan casualties in Taliban Mazar-e Sharif attack pass 100," BBC, April 22, 2017."
"TOLOnews 10pm News 29 May 2017," Tolo News, May 30, 2017."
"Dozens of casualties after Taliban attack army base," CNN, April 23, 2017."