One RV and several vehicles have been scorched in a brush fire southeast of Tucson.

The fire started in the 4500 block of West Davis Road in Elfrida shortly before 1 p.m., Cochise County Sheriff's Office spokeswoman Carol Capas said in a news release. 

The Davis Road Fire has burnt between 20 and 30 acres. 

Crews from the Elfrida and Sunnyside fire departments are battling the fire. 

Sheriff's deputies are providing traffic control. 

The fire is possibly threatening structures. 

Davis Road between milepost 21 and 22 is down to one lane of travel.