The fire at Dounreay Site Restoration Limited (DSRL) began at 01:30 GMT on October 7. Fire services at the plant were able to extinguish the blaze within 30 minutes.
Subsequent monitoring of the fire, reportedly caused by “procedural non-compliances and behavioral practices” by staff, showed that low levels of radioactive particles has been released into the atmosphere as a result of the incident .... http://rt.com