Incident Summary:

03/31/2011: On Thursday, in Athens, Greece, unidentified militants sent a padded envelope addressed to the governor of Korydallos prison, where alleged members of an armed militant group are on trial. Police discovered an improvised explosive device inside of the package and safely defused it, causing no casualties or damages. No group claimed responsibility for this incident.




Western Europe

region/u.s. state:



Location Details:
The attack took place at a prison in Athens, Greece.

Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) No
Target Information (more)
Target Type: Government (General)
Name of Entity Greek Government
Specific Description The governor of Korydallos prison
Nationality of Target Greece
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Explosives Letter Bomb
Weapon Details
An improvised explosive device placed in a padded envelope was 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
Unknown No
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators 0
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
Mu Xuequan, “Greek Police Detonate Mail Bomb Outside Athens Prison,” Xinhua News Agency, March 31, 2011,
Gaia Pianigiani, "Three Mail Bombs Explode in Europe, Injuring Three," New York Times, March 31, 2011,
Agence France Presse, “Italian Anarchists Sent Letter Bomb to Greek Prison: Police,” LexisNexis Academic, Agence France Presse, April 1, 2011.