Investigators now say the cause of a post office fire Sunday night is suspicious.

Fire crews responded to a fire in the vestibule area of the Atkins, Virginia post office just before 8 p.m. Sunday night. We're told the fire was contained to that vestibule area.

After an investigation of the scene, Smyth County investigators and the Virginia State Police say that fire is suspicious.

If you have any information about this fire, or if you saw anything out of ordinary, please contact the Smyth County Sheriff's Office at (276) 782-4056.