UPDATE 8:33 p.m.: The fire has been extinguished.
UPDATE 8:15 p.m.: Firefighters have arrived on scene and stated that the tree is on fire as part of an unauthorized controlled burn. Responders believe they will be on scene for approximately 30 minutes.
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Firefighters and first responders were called to a brush fire Saturday night in the 500 block of East Appion Way.
The fire is 25 feet by 25 feet currently and a tree appears to be on fire in a field.
No structures are currently under threat according to dispatch.
Updates to follow.