Kitchener fire crews fought an early morning industrial fire on Saturday.
Regional Police say it happened around 4 a.m. in the area of Ardelt Place, near Lot42.
Kitchener Fire told 570 NEWS they expect to be on scene for most of the day investigating.
There's no cause known at this time, or a damage estimate.
Seven fire engines initially responded, but they have since downgraded their presence in the area.
Anyone with information is asked to contact police or Crime Stoppers.