Incident Summary:

05/19/2016: Fifteen assailants armed with machetes, firearms, and explosive devices attacked the Masjid Rahmani mosque in Mwanza region, Tanzania. At least three people were killed and one person was injured in the raid. Jabha East Africa claimed responsibility for the incident. However, sources also suspected that Al-Shabaab was involved in the attack.




Sub-Saharan Africa

region/u.s. state:



Attack Information
Type of Attack (more) Armed Assault
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Religious Figures/Institutions
Name of Entity Masjid Rahmani Mosque
Specific Description Mosque
Nationality of Target Tanzania
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 Other Explosive Type
Firearms Automatic Weapon
Melee Knife or Other Sharp Object
Weapon Details
Homemade explosive devices, automatic firearms, axes, and machetes 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
Additional Information The victims included Imam Feruz Ismail, Mbwana Rajabu, and Khamis Mponda. Casualty numbers for this incident conflict across sources. Following the GTD protocol, the lowest reliable estimates are reported here.
Perpetrator Group Information
Group Name Claimed Responsibility
Al-Shabaab (suspected) No
Jabha East Africa Yes (Confirmed: Unknown; Mode: Note left at scene)
Perpetrator Statistics
Number of Perpetrators 15
Number of Captured Perpetrators 3
Casualty Information
Total Number of Casualties 3 Fatalities / 1 Injured
Total Number of Fatalities 3
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 1
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Three hacked to death as gang storms into mosque," Tanzania Citizen, May 20, 2016.
"Tanzania: Three killed in terror attack at Masjid Rahmani mosque in Mwanza," International Business Times UK, May 20, 2016.
"Gangsters with "Islamic State" flag kill 3 in N Tanzania mosque," Xinhua General News Service, May 19, 2016.