Incident Summary:

02/16/2019: Assailants fired mortar shells targeting a military-led medical mission at Tanum Elementary School in Tanum, Sulu, Philippines. There were no reported casualties. The East Asia Division of the Islamic State claimed responsibility for the incident; however, sources also attributed the attack to Abu Sayyaf Group (ASG).




Southeast Asia

region/u.s. state:



Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Educational Institution
Name of Entity Tanum Elementary School
Specific Description School
Nationality of Target Philippines
Target Type: Military
Name of Entity Philippine Army (PA)
Specific Description Soldiers
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 No
Weapon Information
Type Sub-type
Explosives Projectile (rockets, mortars, RPGs, etc.)
Weapon Details
Three 60-mm mortar rounds 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
Perpetrator Group Information
Group Name Claimed Responsibility
Abu Sayyaf Group (ASG) No
East Asia Division of the Islamic State Yes (Confirmed: Unknown; Mode: Posted to website, blog, etc.)
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators Unknown
Casualty Information
Total Number of Casualties 0 Fatalities / 0 Injured
Total Number of Fatalities 0
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 0
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Abu Sayyaf militants fire mortar shells at troops on medical mission in S.Philippines," Xinhua General News Service, February 16, 2019.
"Philippines: Highlights of Terrorist, Counterterrorist Activities 15-21 February 2019," Summary, February 15, 2019.
"Revision: Terrorism: Transcript of ISIS's Al-Bayan News Bulletin for 16 February," Telegram, February 16, 2019.