PHOENIX (3TV/CBS 5) – Crews from three different fire departments are battling a brush fire in the Riordan Ranch area.
The Phoenix, Daisy Mountain and Peoria fire departments responded to the area of 39th Avenue and Pinnacle Vista Drive (northwest of Interstate 17 and Happy Valley Road) early Monday afternoon.
Aerial video showed flames working their way across the desert area in the Deems Hill recreation area.
The Phoenix Fire Department estimates the fire to be between 5 and 10 acres, and says no homes or businesses are threatened.
It is not clear how it started.