Northumberland OPP responded to a structure fire at a commercial building on Industrial Park Road North in Cramahe Thursday afternoon.
Smoke was blowing north and visibility on Highway 401 was reduced.
Fire crews were able to have the blaze mostly out and debris smoldering as of 4:23 p.m. on Thursday.
The fire is being deemed not suspicious and police cleared the scene at around 3:45 p.m.
