Incident Summary:

09/07/2011: On Wednesday night into Thursday, in Hilversum, Noord Holland, Netherlands, unidentified assailants attacked the Hilversumsche Golf Club holding the 2011 KLM Open. KLM is the world's largest carrier of primates and other animals for biomedical research. The assailants attacked and destroyed four putting greens, causing an unknown amount of damage. No group claimed responsibility, although the Animal Liberation Front (ALF) - Netherlands is suspected.




Western Europe

region/u.s. state:

North Holland


Location Details:
The attack occurred in Hilversum, Noord Holland, Netherlands.

Attack Information
Type of Attack (more) Facility/Infrastructure Attack
Successful Attack? (more) Yes
Target Information (more)
Target Type: Business
Name of Entity Hilversumsche Golf Club
Specific Description The Hilversumsche Golf Club
Nationality of Target Netherlands
Target Type: Business
Name of Entity KLM Royal Dutch Airlines
Specific Description The KLM Royal Dutch Airlines was targeted.
Nationality of Target Netherlands
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
Sabotage Equipment
Weapon Details
Unknown sabotage equipment 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 Group Sub-name Claimed Responsibility
Animal Liberation Front (ALF) Europe Yes (Confirmed: Unknown; Mode: Posted to website, blog, etc.)
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
Bite Back, "Air France-KLM Golf Tournamen Disrupted," Bite Back, September 08, 2011,
Associated Press, "Dyson's 65 Leads KLM Open Hit by Rain, Vandals," LexisNexis Academic, Associated Press, September 08, 2011.
Agence France Presse, "Golf: Kapur Enjoys Lead, McIlroy Lurks at Delayed Dutch Open," LexisNexis Academic, Agence France Presse, September 09, 2011.