Incident Summary:

12/13/2019: Assailants detonated an explosive device and opened fire on a police vehicle in Libotan, Borongan, Eastern Samar, Philippines. Four people were killed and at least 14 people, including police officers and civilians, were injured in the blast. No group claimed responsibility for the incident; however, sources attributed the attack to the New People’s Army (NPA) and the National Democratic Front-Bicol (NDF-Bicol).




Southeast Asia

region/u.s. state:

Eastern Samar


Location Details:
The incident occurred in Borongan district.

Attack Information
Type of Attack (more) Armed Assault
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Police
Name of Entity Philippine National Police (PNP)
Specific Description Patrol
Nationality of Target Philippines
Target Type: Private Citizens & Property
Name of Entity Not Applicable
Specific Description Civilians
Nationality of Target Philippines
Additional Information
Hostages No
Ransom No
Property Damage Yes
Extent of Property Damage Minor (likely < $1 million)
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Explosives Land Mine
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 officer Patrolman Mark Jerome Rama, civilians Mary Grace Rapada, Anthony Balayanto, and Agipina Trabuco. Casualty numbers conflict across sources. Following GTD protocol, the most recent reliable estimates are reported here.
Perpetrator Group Information
Group Name Claimed Responsibility
National Democratic Front-Bicol (NDF-Bicol) No
New People's Army (NPA) No
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 4 Fatalities / 14 Injured
Total Number of Fatalities 4
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 14
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Borongan blast death toll climbs to 4," Philippines News Agency, December 20, 2019.
"DILG: Joma Sison behind massacre in Borongan, Samar," Manila Bulletin, December 16, 2019.
"Death toll in rebel ambush in Samar rose to 3," Cebu Daily News, December 14, 2019.