Incident Summary:

12/28/2016: Simultaneous explosions occurred at an amateur boxing match in Hilongos, Leyte, Philippines. At least 35 people were injured in the blasts. No group claimed responsibility; however, sources suspected that the attack was carried out by the Bangsamoro Islamic Freedom Movement (BIFM) and the Maute Group.




Southeast Asia

region/u.s. state:



Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Private Citizens & Property
Name of Entity Not Applicable
Specific Description Amateur Boxing Match
Nationality of Target Philippines
Additional Information
Hostages No
Property Damage Yes
Extent of Property Damage Minor (likely < $1 million)
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Explosives/Bombs/Dynamite Remote Trigger
Weapon Details
A remote-controlled explosive device constructed from an 81-mm mortar and utilizing a mobile phone as a triggering mechanism was used in the attack.
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) No
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Doubt Terrorism Proper (more) Yes
Alternate Designation (more) Other Crime Type
Additional Information Casualty numbers conflict across sources. Following GTD protocol, the most recent reliable estimates are reported here. There is doubt that this incident meets terrorism-related criteria. Officials suspected that the attack was related to a drug feud or a counterfeit money gang.
Perpetrator Group Information
Group Name Claimed Responsibility
Bangsamoro Islamic Freedom Movement (BIFM) (suspected) No
Maute Group (suspected) No
Perpetrator Statistics
Number of Perpetrators 3
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 0 Fatalities / 35 Injured
Total Number of Fatalities 0
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 35
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Police: Maute group behind Hilongos town plaza blast," Sun Star Network, January 11, 2017."
"WHAT WENT BEFORE: Abu Sayyaf, Maute group," Philippine Daily Inquirer, April 11, 2017."
"Cops gaining headway in Leyte blast probe," Philippines News Agency, January 5, 2017."