Incident Summary:

11/20/2003: 15 people were killed and several hundred injured in an explosion an HSBC Bank in Istanbul, Turkey. The explosion had an ammonium nitrate base. Authorities believe the assailants were linked to Al-Qaida and one was killed in the explosion.




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: Business
Name of Entity HSBC
Specific Description HSBC in Istanbul
Nationality of Target International
Target Type: Private Citizens & Property
Name of Entity Civilians
Specific Description Civilians at HSBC in Istanbul
Nationality of Target International
Additional Information
Hostages No
Ransom No
Property Damage Yes
Extent of Property Damage Unknown
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Explosives Vehicle
Additional Information
Suicide Attack?Yes
Part of Multiple Incident?Yes
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Doubt Terrorism Proper (more) No
Additional Information Casualty numbers for this attack represent an equal division of a cumulative total of killed and wounded across incidents 200311200005 and 200311200006.
Perpetrator Group Information
Group Name Claimed Responsibility
Al-Qaida Yes (Confirmed: Unknown; Mode: Unknown)
Great Eastern Islamic Raiders Front (IBDA-C) (suspected) Yes (Confirmed: Unknown; Mode: Unknown)
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators Unknown
Casualty Information
Total Number of Casualties 16 Fatalities / 224 Injured
Total Number of Fatalities 16
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 1
Total Number of Injured 224
Number of U.S. Injured 0
Number of Perpetrators Injured 0
“Xinhua ‘Round Up’: Serial Explosions Rock Istanbul, Killing At Least 26 People,” Xinhua General News Service, November 20, 2003.
“Death Toll in Istanbul Blasts Raised to 61: Police,” Agence France Presse, November 28, 2003.
“Turkey Charges 21 for Bomb Attacks,” United Press International, November 30, 2003.