Crews were on the scene of a fire at Kersten Lumber in Birnamwood Sunday night, according to Shawano County Sheriff's Department officials.
Authorities say there was a fire in the back of a building at the lumber yard.
They say they were alerted by an alarm system at 9:45 pm.
Birnamwood Fire Chief, Randy Burger, believes there was an electrical issue that lead to the fire.
He says no one was hurt in the fire and he does not believe any lumber was damaged.
Newsline 9 will update this story as information becomes available.
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