Fire crews are working to contain a new fire burning 13 miles northeast of Florence.
The "Cottonwood Fire" started Saturday morning and is estimated at 150 acres, as air tankers and ground crews battle the blaze.
The Bureau of Land Management in Arizona says the fire is human caused and an unknown structure is approximately 1/4 mile north of the fire.
GID - #CottonwoodFire Update: Multiple levels of aviation resources on this fire supporting firefighters on the ground. Reports of unknown structure 1/4mi N of the fire. Video via @azstateforestry #AZFire pic.twitter.com/oOJJBmaokP— BLM Arizona (@BLMArizona) May 23, 2020
Fire crews say the cause of the fire is under investigation.