Update: Animal rights activists take credit for the attack. Read more here.

Officials suspect arson is the cause of a fire that damaged 14 tractors and several trailers at California’s largest cattle feeder, beef processor and beef marketer.

The Fresno Bee reports the fire began early Sunday morning at the Harris Farms truck lot in Coalinga. The fire was extinguished in 45 minutes. The total cost of the damage is unknown.

Anyone with information on the fire is asked to contact the Fresno County Sheriff's Office at (559) 488-3111 or CrimeStoppers at (559) 498-STOP.

Damage and cleanup from the fire will not affect business operations.