Incident Summary:

04/07/2016: Assailants fired chemical-laced projectiles that landed and detonated in Sheikh Maqsoud neighborhood, Aleppo city, Aleppo, Syria. At least nine people were killed and 29 others were injured in the attack. Jaysh al-Islam (Syria) claimed responsibility for the incident. Sources also attributed the attack to Ahrar al-Sham and the Free Syrian Army.




Middle East & North Africa

region/u.s. state:



Location Details:
The incident occurred in the Sheikh Maqsoud neighborhood.

Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Private Citizens & Property
Name of Entity Sheikh Maqsood Neighborhood
Specific Description Neighborhood
Nationality of Target Syria
Additional Information
Hostages No
Property Damage Unknown
Extent of Property Damage Unknown
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Chemical Explosive
Weapon Details
Mortars containing chlorine gas 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 lowest reliable estimates are reported here.
Perpetrator Group Information
Group Name Claimed Responsibility
Ahrar al-Sham No
Free Syrian Army No
Jaysh al-Islam (Syria) Yes (Confirmed: Unknown; Mode: Personal claim)
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 9 Fatalities / 29 Injured
Total Number of Fatalities 9
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 29
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Aleppo district "shelled with chemical gas"," PanARMENIAN Network, April 8, 2016."
"Shelling of Aleppo neighborhood threatens to stir up Arab-Kurdish strife," AlMonitor, April 21, 2016."
"Islamic State regains Syrian stronghold near Turkey border - monitor,", April 11, 2016."