A fire burned a conveyor belt and substances used to make asphalt Thursday night at a paving company in Laurel, Prince George’s Fire Department officials said.

Haz-mat firefighting units responded to Laurel Asphalt in the 5400 block of Van Dusen Road about 10:30 p.m., said Mark Brady, a fire department spokesman. No injuries were reported and the fire was not endangering any homes or other buildings, Brady said.

The fire burned inside a production building and firefighters deployed foam trucks to knock down the blaze, Brady said.

The cause of the fire was under investigation Thursday night.

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