Incident Summary:

07/28/2017: An assailant stabbed civilians at a supermarket in Hamburg, Germany. A civilian was killed and at least seven others, including the assailant, were injured in the attack. Ahmad A. Alhaw, an unaffiliated individual, claimed responsibility for the incident and stated that "he wanted to kill as many 'Christians and young people' as possible." Sources also noted that Alhaw followed the ideology of the Islamic State of Iraq and the Levant (ISIL).




Western Europe

region/u.s. state:



Attack Information
Type of Attack (more) Armed Assault
Successful Attack? (more) Yes
Target Information (more)
Target Type: Private Citizens & Property
Name of Entity Not Applicable
Specific Description Civilians
Nationality of Target Germany
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Melee Knife or Other Sharp Object
Weapon Details
A knife 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) Yes
Doubt Terrorism Proper (more) No
Additional Information Casualty numbers conflict across sources. Following GTD protocol, the majority reliable estimates are reported here. Sources also indicated that the assailant suffered from alcohol and psychological problems.
Perpetrator Group Information
Group Name Claimed Responsibility
Jihadi-inspired extremists Yes (Confirmed: Unknown; Mode: Personal claim)
Perpetrator Statistics
Number of Perpetrators 1
Number of Captured Perpetrators 1
Casualty Information
Total Number of Casualties 1 Fatalities / 7 Injured
Total Number of Fatalities 1
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 7
Number of U.S. Injured 0
Number of Perpetrators Injured 1
"Hamburg - One dead, four wounded in Hamburg supermarket knife attack: police," AFP (North European Service), July 28, 2017.
"German Prosecutors Say Suspect In Hamburg Knife Attack Likely Had 'Radical Islamist' Motive," Radio Free Europe, July 31, 2017.
"1st LD-Writethru: Hamburg knife attacker identified as Islamist," Xinhua General News Service, July 29, 2017.