Incident Summary:

01/29/2016: Two suicide bombers attacked Imam Rida Mosque in Mahasen neighborhood, Eastern province, Saudi Arabia. In addition to one suicide bomber, four people were killed and 33 others were wounded in the attack. The second suicide bomber was injured and arrested by authorities. No group claimed responsibility for the incident; however, sources attributed the attack to the Islamic State of Iraq and the Levant (ISIL).



Saudi Arabia

Middle East & North Africa

region/u.s. state:



Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Religious Figures/Institutions
Name of Entity Imam Rida Mosque
Specific Description Mosque
Nationality of Target Saudi Arabia
Additional Information
Hostages No
Ransom No
Property Damage Unknown
Extent of Property Damage Unknown
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Explosives/Bombs/Dynamite Suicide (carried bodily by human being)
Additional Information
Suicide Attack?Yes
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 most recent reliable estimates are reported here.
Perpetrator Group Information
Group Name Claimed Responsibility
Islamic State of Iraq and the Levant (ISIL) No
Perpetrator Statistics
Number of Perpetrators 2
Number of Captured Perpetrators 1
Casualty Information
Total Number of Casualties 5 Fatalities / 34 Injured
Total Number of Fatalities 5
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 1
Total Number of Injured 34
Number of U.S. Injured 0
Number of Perpetrators Injured 1
"Deaths as suicide bomb attack hits Saudi mosque," Al Jazeera, January 29, 2016.
"Daesh recruited expatriates from nine countries," Saudi Gazette, August 15, 2016.
"Death toll in Imam Al-Redha Mosque blast rises to 5," Gulf Daily News, February 13, 2016.