Incident Summary:

12/27/2015: Assailants opened fire on an Indonesian National Police (INP) station in Sinak subdistrict, Puncak Jaya district, Papua province, Indonesia. At least three officers were killed and two others were injured in the assault. No group claimed responsibility; however, sources attributed the attack to Lekagak Tenggamati. Additional sources suspected that the incident was carried out by the Free Papua Movement (OPM-Organisasi Papua Merdeka).




Southeast Asia

region/u.s. state:


Near Sinak

Location Details:
The incident occurred in Puncak Jaya district.

Attack Information
Type of Attack (more) Armed Assault
Successful Attack? (more) Yes
Target Information (more)
Target Type: Police
Name of Entity Indonesian National Police (INP)
Specific Description Police Station
Nationality of Target Indonesia
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
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) Yes
Doubt Terrorism Proper (more) No
Additional Information The victims included First Brigadier Ridho, Second Brigadier Arman, and Second Brigadier Ilham. Casualty numbers for this incident conflict across sources. Following GTD protocol, the majority reliable estimates are reported here.
Perpetrator Group Information
Group Name Claimed Responsibility
Free Papua Movement (OPM-Organisasi Papua Merdeka) (suspected) No
Lekagak Tenggamati No
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 3 Fatalities / 2 Injured
Total Number of Fatalities 3
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 2
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"3 Police Personnel Killed at Sinak Attack,", December 28, 2015.
"Indonesian police probes deadly attacks on police station," Xinhua General News Service, December 28, 2015.
"Gunmen kill 3 police in Indonesia's Papua," World Bulletin, December 28, 2015.