MADISON COUNTY, Ala. (WHNT) – A structure on the Polaris campus caught fire Tuesday night but authorities say it appears to have been an accident.

Huntsville Fire and Rescue (HFR) confirmed four units responded to the scene on Greenbrier Parkway.

HFR said that no one was injured during the fire which appeared to have started in a dust collector.

The department said the cause of the fire has been ruled an accident. No more information is available at this time.