Update, August 30, 9:30 a.m.:
Woodinville Fire & Rescue has ruled that the fire was accidentally caused by the spontaneous combustion of materials in the dumpster.
Woodinville Fire & Rescue units were dispatched to a fire at an industrial complex on 141st Ave NE late Wednesday night.
When units arrived, they found a dumpster burning behind a building. The fire had also spread to a nearby stack of wooden pallets, said a department official.
Woodinville Fire & Rescue units had the fire suppressed at appoximately 10:00 p.m. and were awaiting the arrival of the fire investigator before pinpointing the cause of the blaze.
Woodinville Patch will update this story when more information is available.