An explosion at a chemical plant in Texas on Wednesday has prompted nearby communities to shelter in place as officials work to determine whether any chemicals were released into the air.

The blast happened at Sound Resource Solutions along U.S. Highway 59 in Shepherd. The city in located in San Jacinto County about 60 miles northeast of Houston.

One person suffered first-degree burns to the face and second-degree and third-degree burns to the arms, FOX26 Houston reported, citing a source. The individual was being treated at Memorial Hermann-Texas Medical Center.