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Dättwil gymnasium destroyed by fire caused by gutter heating
A major fire on July 29, 2026, caused massive destruction to a gymnasium in Dättwil, Switzerland. Investigations by the Aargau Cantonal Police determined that the cause was a combination of factors involving the building's gutter heating system.
The heating system, designed to prevent ice buildup in gutters during winter, was reportedly switched on during an unusually hot summer. This led to a gradual buildup of heat within the wooden roof structure, which eventually ignited the fire. Authorities stated there were no indications of human error or misconduct.
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Claims
What the coverage asserts, and how many sources carry each claim.
- [○ 1 SOURCE] There were no signs of human misconduct regarding the fire. kantonspolizei.ch
- [○ 1 SOURCE] The gutter heating system was switched on at the time of the fire. kantonspolizei.ch
- [○ 1 SOURCE] Heat buildup in the wooden roof structure caused the fire. kantonspolizei.ch
- [○ 1 SOURCE] A fire destroyed a gymnasium in Dättwil on July 29, 2026. kantonspolizei.ch