Incident Summary:

03/15/2016: Assailants opened fire on road construction workers in Sinak, Puncak Jaya, Papua, Indonesia. At least four workers were killed, and two others were abducted in the attack. The outcome of the kidnapping is unknown. The Free Papua Movement (OPM-Organisasi Papua Merdeka) claimed responsibility for the incident and stated that the attack was intended to stop the development of Jalan Trans Papua. Sources also attributed the attack, however, to Lekagak Tenggamati.




Southeast Asia

region/u.s. state:



Location Details:
The incident occurred in the Puncak Jaya district.

Attack Information
Type of Attack (more) Armed Assault
Type of Attack (more) Hostage Taking (Kidnapping)
Type of Attack (more) Facility/Infrastructure Attack
Successful Attack? (more) Yes
Target Information (more)
Target Type: Business
Name of Entity Unknown
Specific Description Construction Workers
Nationality of Target Indonesia
Additional Information
Hostages Yes
Number of Hostages 2
US Hostages 0
Outcome Unknown
Ransom No
Property Damage Yes
Extent of Property Damage Minor (likely < $1 million)
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Firearms Unknown Gun Type
Incendiary Arson/Fire
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 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) Yes (Confirmed: Unknown; Mode: Personal claim)
Lekagak Tenggamati No
Perpetrator Statistics
Number of Perpetrators 20
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 4 Fatalities
Total Number of Fatalities 4
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured Unknown
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Killing of four workers in Indonesia's Papua province indicates increased risk of attacks targeting government highway project," IHS Global Insight, March 16, 2016.
"Armed Attack on Trans Papua Construction Site Leaves Three Dead," Jakarta Globe, March 15, 2016.
"WPNLA Claims Responsibility for Papua Attacks, Govt Considers Poso-Style Military Operation," Jakarta Globe, March 15, 2016.