Arson caused the fire that destroyed the Arlington Oregon Church of the Nazarene early Tuesday, Gilliam County Sheriff Gary Bettencourt reported.
A written statement from the sheriff said the finding is based on the initial fire scene investigation. The sheriff's office, with the assistance of investigators from the Oregon State Police Arson Unit and Bureau of Alcohol, Tobacco, Firearms and Explosive are continuing the investigation.
The fire burned down most of the building, which was the oldest in downtown Arlington, according to the sheriff's office.
This is the second time this year firefighters have doused a blaze at the century-old Arlington Oregon Church of the Nazarene, 600 Main St. The building was undergoing repairs from a suspicious fire on July 9.
A reward of up to $5,000 has been offered for any information leading to the arrest and conviction of the person(s) responsible for this fire.
Bettencourt encouraged anyone with information about the fire to call the Gilliam County Sheriff's Office at 541-384-2851.