Radioactive traces found on shoes of demolition workers.
Traces of radioactive contamination have been found on the shoes of workers demolishing a former nuclear power station.
It was detected on around a dozen people on Thursday as they prepared to leave a building which they were preparing for demolition.
Dounreay Site Restoration Limited (DSRL), which is overseeing the decommissioning of the site in Caithness, has launched an investigation.
In a statement DSRL said: “The area was isolated and follow-up surveys confirmed that the contamination was confined to a small area. An investigation is under way.
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