Firefighters from several departments were called to the Wolverine Advanced Materials plant in Blacksburg, VA on Thursday morning after several explosions and fires were reported at the facility.

“Initial reports were that there were two separate fires in the building and multiple explosions. Fire crews arrived on scene to find fire coming from the ductwork in the building,” Montgomery County Emergency Services said in a post on its Facebook page.

The response was initiated at about 4:40 a.m. Crews were able to douse the blaze quickly without injury, according to the agency.

The Blacksburg plant is one of three manufacturing facilities operated by Wolverine Advanced Materials in Virginia, according to information on its website. High-performance materials produced by the company are used in automotive and sealing applications.

No information was available on the cause of the incident.