Firefighters say a Canada Post processing plant in Stoney Creek, Ont., was evacuated for a period of time on Thursday afternoon following reports of a suspicious package at the site.
Staff were moved out of the outlet on Millen Road, north of Arvin Avenue, just after 1 p.m. as a precaution.
Hazmat teams were called in for a brief visit but eventually revealed no safety threat to the public.
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The all clear was given around 4:30 p.m. in the afternoon.
Hamilton fire has begun an investigation and has not yet deemed the incident suspicious.
Police told Global News they are not involved in any probe at this time.