US EditionMoD Confirms Category A Nuclear Incident at Faslane Base
A Category A nuclear incident at Faslane involved a high risk of radioactive release, with 105 additional lower-category incidents reported from April 2024 to April 2025.
- Between January 1 and April 22, 2025, a Category A nuclear event—the most severe classification—was reported at the Faslane naval facility on Scotland’s west coast.
- This incident followed a prior 2023 Category A event, marking the second highest-category case at Faslane in two years with potential for radioactive release.
- The Ministry of Defence confirmed that there was no radiological impact or danger to the public from this or any other nuclear site incidents, highlighting their strong focus on safety and continuous improvement.
- From April 2024 to April 2025, numerous lower-level incidents were recorded at Faslane and the nearby Coulport facility, while a past radioactive water leak at Coulport was linked to deteriorated pipes bursting.
- The SNP demands urgent details on the incident and contamination, warning nuclear weapons pose ongoing environmental and safety threats despite government backing of nuclear deterrence.
26 Articles
26 Articles
Concerns raised over 'serious nuclear incident' at Faslane submarine base - home to Britain's Trident fleet
A "serious nuclear incident" took place earlier this year at the Scottish naval base which houses Britain's Trident submarines, it has emerged. The Category A event happened between January and April at HM Naval Base (HMNB) Clyde on Gare Loch in Faslane. According to the Ministry of Defence (MoD), a Category A event is the most serious and has an "actual or high potential for radioactive release to the environment".**ARE YOU READING THIS ON OUR …
Confidential documents show: Old pipes have been leaking for over ten years • Ministry of Defense pressed for details
UK MoD: Nuclear Safety Incidents at Sub Base Posed No Risk to Public
Following a report of a minor leak of radioactive tritium at the Royal Navy's Faslane / Coulport nuclear ballistic missile submarine complex, UK politicians have begun asking questions about the frequency of reportable HSE incidents at the facilities. This week, the UK's defense minister confirmed that a serious "category A" safety incident occurred as recently as this spring - though the UK MoD maintains that the public and environment were nev…
A serious 'nuclear incident' in the highest risk category has occurred at a naval base in Scotland.
Royal Navy submarine base records significant nuclear safety incident - Navy Lookout
The MoD has admitted that a ‘Category A’ nuclear safety incident occurred earlier this year at Faslane, home to the RN’s all-nuclear powered submarine flotilla. Category A incidents are defined as having an actual or high potential for the release of radioactive material into the environment. The incident took place between January and April 2025
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