Incident Summary:

05/18/2017: An assailant armed with a knife stabbed a police officer and two soldiers at a train station in Milan, Lombardy, Italy. The three security personnel were injured in the attack before the assailant was arrested. No group claimed responsibility for the incident; however, sources attributed the attack to a Muslim extremist, identified as Hosni Ismail Tommaso Bejn Yousef.




Western Europe

region/u.s. state:



Attack Information
Type of Attack (more) Armed Assault
Successful Attack? (more) Yes
Target Information (more)
Target Type: Military
Name of Entity Italian Army (EI)
Specific Description Soldiers
Nationality of Target Italy
Target Type: Police
Name of Entity Department of Public Security (DPS)
Specific Description Officer
Nationality of Target Italy
Additional Information
Hostages 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
Perpetrator Group Information
Group Name Claimed Responsibility
Jihadi-inspired extremists No
Perpetrator Statistics
Number of Perpetrators 1
Number of Captured Perpetrators 1
Casualty Information
Total Number of Casualties 0 Fatalities / 3 Injured
Total Number of Fatalities 0
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 3
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Man stabs policeman and soldier at Milan train station," Astro Awani, May 19, 2017."
"Tunisian held in Milan after knifing members of Italian security forces," AKI - Adnkronos International, May 19, 2017."
"Milan station knife attacker probed for terror (2); Also for attempted murder," ANSA English Media Service, May 19, 2017."