BUENA VISTA, Va. (AP/WFXR) — Authorities in Virginia say an explosion at a gas station has left one person dead and four people hospitalized. Police are trying to determine if there may have been other victims.

Virginia State Police say the explosion occurred Friday around 9:50 a.m. at the South River Market several miles north of Buena Vista in Rockbridge County.

Sgt. Rick Garletts of the state police said in an email that the explosion doesn’t appear to be suspicious, and added that the Rockbridge County Sheriff’s Office has asked the state police to investigate.

Garletts said police and fire crews have been working to account for those who may have been located in the building at the time of the explosion.