Incident Summary:

01/04/2017: Assailants armed with projectiles and firearms attacked the Philippine Bureau of Jail Management and Penology North Cotabato District Jail and released an unknown number of inmates in Amas, North Cotabato, Philippines. At least seven people, including one prison guard and 6 inmates, were killed and another inmate was injured in the ensuing clash. No group claimed responsibility; however, sources suspected that the attack was carried out by the Bangsamoro Islamic Freedom Movement (BIFM) and the Moro Islamic Liberation Front (MILF). The BIFM later denied involvement.




Southeast Asia

region/u.s. state:

North Cotabato


Location Details:
The incident occurred in Kidapawan district.

Attack Information
Type of Attack (more) Armed Assault
Successful Attack? (more) Yes
Target Information (more)
Target Type: Police
Name of Entity Philippine Bureau of Jail Management and Penology
Specific Description North Cotabato District Jail
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
Rocket-propelled grenades (RPGs), M16s, and M14 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) Yes
Doubt Terrorism Proper (more) No
Additional Information The victims included Rey Visido, Joey Aranas, Allan Tolentino, Edifel Liscano, Rapacon Ambolodto, Haraw, and Adonis Cedeno. Casualty numbers conflict across sources. Following GTD protocol, the most recent reliable estimates are reported here.
Perpetrator Group Information
Group Name Claimed Responsibility
Bangsamoro Islamic Freedom Movement (BIFM) (suspected) No
Moro Islamic Liberation Front (MILF) (suspected) No
Perpetrator Statistics
Number of Perpetrators 100
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 7 Fatalities / 1 Injured
Total Number of Fatalities 7
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 1
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Thailand: Over 150 inmates escape in the Philippines' largest-ever jailbreak," Bangkok Post Online, January 4, 2017.
"Philippines: Locals want North Cotabato police chief, warden sacked over jailbreak,", January 4, 2017.
"Asia: US Army ASD Philippine Terrorist Media Weekly Wrap-up 1-7 January 2017," Summary, January 10, 2017.