Cy-Fair FD says four employees of Advanced Powder Solutions were taken to hospitals. Three were checked out a local hospitals for smoke inhalation. The fourth person suffered burns was transported to Memorial Hermann Hospital. The victim's condition is unknown at this time.
All other employees have been accounted for at the building on Cunningham at West Little York.
Cy-Fair FD has the fire contained, and they're trying to keep it from spreading. Although officials aren't entirely certain what chemicals are involved, there is no shelter in place advisory at this time.
We're told the Harris County Fire Marshal's Office is also on the scene.
It's still unclear what caused the blaze.