SILVERTON, Ore. (AP) — Authorities say a worker was killed in a fire at a seed cleaning facility northeast of Salem in Silverton. KOIN-TV reports Silverton Fire District crews responded to the report of an explosion and fire around 9:00 a.m. Tuesday. Fire officials say they saw heavy dark smoke and fire coming from the middle of the structure from several miles away. Fire crews initially heard reports of three people trapped inside, and got one worker out. That person was taken to a hospital with non-life threatening injuries. Crews found another worker inside who had died. Their name has not yet been released. Officials said a dust explosion caused the fire.