Incident Summary:

07/21/2017: Assailants threw hand grenades and opened fire on military personnel in Marawi, Lanao del Sur, Philippines. Nine soldiers were killed and 49 others were wounded in the attack. The Islamic State of Iraq and the Levant (ISIL) claimed responsibility for the attack. Sources also attributed the incident to the Maute Group.




Southeast Asia

region/u.s. state:

Lanao del Sur


Attack Information
Type of Attack (more) Armed Assault
Successful Attack? (more) Yes
Target Information (more)
Target Type: Military
Name of Entity Armed Forces of the Philippines (AFP)
Specific Description Soldiers
Nationality of Target Philippines
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Explosives/Bombs/Dynamite Grenade
Firearms Unknown Gun Type
Additional Information
Suicide Attack?No
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
Perpetrator Group Information
Group Name Claimed Responsibility
Islamic State of Iraq and the Levant (ISIL) Yes (Confirmed: Unknown; Mode: Posted to website, blog, etc.)
Maute Group No
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 9 Fatalities / 49 Injured
Total Number of Fatalities 9
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 49
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"9 soldiers killed in Marawi as gunmen lobbed hand grenades - Army," Philippines Daily Inquirer, July 23, 2017.
"Philippines: 9 soldiers dead in Maute grenade attack," Anadolu Ajansi, July 23, 2017.
"Asia: US Army ASD Philippine Terrorist Media Weekly Wrap-up 23 - 29 July 2017," Summary, August 1, 2017.