LIBERAL, Kan. (KAKE) - Police in southwest Kansas says one person has died and two others were hospitalized after they were found unconscious in a tanker trailer at truck washing business on Friday. 

The Liberal Police Department said officers and Seward County first responders were dispatched just before 9 a.m. to an EMS call at Red Barn Truck Wash at 1200 East Pancake Blvd. They arrived to find three men unconscious in a tanker.

The three employees were extracted and taken to Southwest Medical Center. One of the men was pronounced dead and another was transported to Wichita. No names have been released.

Liberal police said the Occupational Safety and Health Administration is investigating the incident. Additional information was not provided.