PALMDALE, Calif. (CNS) — Authorities Thursday were investigating a hazardous-materials incident in the Palmdale area involving a possible drug lab.

Firefighters sent to the 36500 block of Palomino Court about 9 a.m. on a report of a structure fire found that there was smoke at the scene but no fire, according to the Los Angeles County Fire Department. No injuries were reported.

Hazardous-materials personnel were sent to the scene, and the Los Angeles County Sheriff’s Department was notified.

Local media reported that a possible fentanyl lab was found at the location. Authorities could not immediately confirm that report.