Incident Summary:

04/09/2017: A suicide bomber detonated at Saint Mark's Church in Alexandria city, Egypt. In addition to the assailant, at least 18 people, including three Egyptian National Police (ENP) officers, were killed and 47 other people were injured in the blast. This was one of two suicide bombings targeting churches in Egypt on the same day. The Islamic State in Egypt claimed responsibility for the incident. Sources also suspected that the attack was carried out by the Revolution's Brigade or the Hasam Movement.




Middle East & North Africa

region/u.s. state:



Location Details:
The incident occurred in the Mahatet el-Ramleh neighborhood.

Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Police
Name of Entity Egyptian National Police (ENP)
Specific Description Officers
Nationality of Target Egypt
Target Type: Religious Figures/Institutions
Name of Entity Saint Mark's Church
Specific Description Church
Nationality of Target Egypt
Additional Information
Hostages No
Ransom No
Property Damage Yes
Extent of Property Damage Minor (likely < $1 million)
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Explosives Suicide (carried bodily by human being)
Weapon Details
A nine-kilogram explosives-laden belt was used in the attack.
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 conflict across sources. Following GTD protocol, the most recent estimates are reported here.
Perpetrator Group Information
Group Name Claimed Responsibility
Hasam Movement (suspected) No
Islamic State in Egypt Yes (Confirmed: Unknown; Mode: Posted to website, blog, etc.)
Revolution's Brigade (suspected) No
Perpetrator Statistics
Number of Perpetrators 1
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 19 Fatalities / 47 Injured
Total Number of Fatalities 19
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 1
Total Number of Injured 47
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Death toll in Alexandria church bombing increases to 18," Egypt Independent, April 19, 2017.
"Investigations to reveal identity of Palm Sunday attackers ongoing," Daily News Egypt, April 11, 2017.
"At least 13 killed, 42 injured in explosion inside church in Egypt’s Nile delta," The Express Tribune, April 9, 2017.