Incident Summary:

12/25/2017: Assailants attacked a military detachment in Maitemaig, Datu Unsay, Maguindanao, Philippines. At least ten assailants were killed and five others were wounded in the attack. No group claimed responsibility for the incident; however, sources attributed the attack to the Bangsamoro Islamic Freedom Movement (BIFM).




Southeast Asia

region/u.s. state:



Location Details:
The incident occurred in the Datu Unsay district.

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 Detachment
Nationality of Target Philippines
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Explosives Projectile (rockets, mortars, RPGs, etc.)
Firearms Automatic Weapon
Weapon Details
Grenade launchers and assault rifles 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) No
Doubt Terrorism Proper (more) Yes
Alternate Designation (more) Insurgency/Guerilla Action
Additional Information Casualty numbers conflict across sources. Following GTD protocol, the lowest reliable estimates are reported here.
Perpetrator Group Information
Group Name Claimed Responsibility
Bangsamoro Islamic Freedom Movement (BIFM) No
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 10 Fatalities / 5 Injured
Total Number of Fatalities 10
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 10
Total Number of Injured 5
Number of U.S. Injured 0
Number of Perpetrators Injured 5
"Philippine troops kill 10 extremists in clash," Xinhua News Agency, December 26, 2017.
"13 Moro rebels die in Mindanao airstrikes," The Gulf Today, December 26, 2017.
"Philippines: Highlights of Terrorist, Counterterrorist Activities 16-31 December 2017," Summary, December 16, 2017.