Structure fire in Bullhead City ruled arson

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Investigators have determined that a structure fire Wednesday night in Bullhead City was intentionally set. (Photo courtesy of the Bullhead City Fire Department.) By Jennifer Thomas Investigators have determined that a structure fire Wednesday night in Bullhead City was intentionally set. (Photo courtesy of the Bullhead City Fire Department.) By Jennifer Thomas
Investigators have determined that a structure fire Wednesday night in Bullhead City was intentionally set. (Photo courtesy of the Bullhead City Fire Department.) By Jennifer Thomas Investigators have determined that a structure fire Wednesday night in Bullhead City was intentionally set. (Photo courtesy of the Bullhead City Fire Department.) By Jennifer Thomas

BULLHEAD CITY, Ariz. -- Investigators have determined that a structure fire Wednesday night in Bullhead City was intentionally set.

Firefighters were called to a fire shortly before 10 p.m. Wednesday and found a double-wide modular sales office fully engulfed.

The 1999 modular office was destroyed with an estimated loss of $50,000, according to Larry Tunforss with the Bullhead City Fire Department.

Tunforss said the office was not occupied and the utilities were not connected.

No one was injured in the fire.

Tunforss said the investigation team ruled the cause of the fire to be arson.