Colombes implements mass evacuation and security measures for bomb disposal
Mass evacuation and police surveillance deployed in Colombes during bomb disposal.
Event / Disaster
Colombes WWII Bomb Disposal
French authorities conducted a major bomb disposal operation in Colombes, Hauts-de-Seine on April 19, 2026, to neutralize a World War II-era explosive device. The operation required the evacuation of approximately 15,000 residents and mobilized approximately 800 demolition and security personnel.
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2026-08-18 to 2026-11-15 · UTC publication dates
Coverage begins 19 Apr, 12:07 UTC
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What happened
Police surveillance deployed to prevent opportunistic crimes during evacuation
Police deployed patrols and aerial surveillance throughout the evacuated zone to prevent opportunistic burglaries during the bomb disposal operation. The entire area was kept under continuous police monitoring to ensure public safety and protect property.
Five reception centers opened to shelter evacuees from bomb operation
Five emergency reception centers opened in Colombes, Asnières-sur-Seine, and Bois-Colombes to accommodate evacuated residents. Emergency services took charge of 220 vulnerable individuals. Residents were expected to remain in shelters until 19:00 on April 19 or later, when SMS notification would authorize their return home.
Demolition operation launched to neutralize World War II bomb in Colombes
Approximately 800 demolition and security personnel mobilized on April 19 at 7:00 AM to neutralize the World War II bomb discovered in Colombes. Specialists attempted to extract the detonator as the primary approach, with an estimated four-hour operation. If detonation proved necessary, the bomb would be destroyed in place by controlled explosion, potentially extending the operation to eight hours.
World War II bomb discovered during construction works in Colombes
A World War II-era explosive device was discovered on April 10 during construction work on rue des Champarons in Colombes, Hauts-de-Seine. The bomb was found embedded in a wall and subsequently extracted for disposal.
Mass evacuation ordered in Colombes for bomb disposal operation
Approximately 15,000 residents in Colombes were evacuated following a 450-meter evacuation perimeter established around the bomb disposal site. Residents were alerted via the FR-Alert notification system and required to vacate their homes by 7:00 AM on April 19. An extended one-kilometer perimeter prohibited outdoor gatherings in surrounding communes including Asnières-sur-Seine, Bois-Colombes, and Gennevilliers.
Public transportation and traffic suspended during bomb disposal operation
Road traffic and six RATP bus lines suspended service in the affected area of Colombes during the bomb disposal operation on April 19. Vehicle movements were restricted and residents were required to move their vehicles as a precautionary measure.
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World War II bomb discovered and neutralized in Colombes construction
WWII bomb discovered in Colombes construction; neutralization operation launched.