UPDATE: 12.30 a.m. EDT - Crews managed to stop the "forward progress" of the brush fire that scorched over 400 acres near Wittmann, Arizona. The fire was 30 percent contained as of Sunday night. The Arizona Department of Forestry and Fire Management said some crew members will work overnight to contain the fire.

Original story:

A brush fire that broke out near Wittmann, Arizona, on Sunday afternoon scorched 420 acres, destroying two abandoned structures.

Multiple agencies including the Peoria Fire Department, the Arizona Department of Forestry and Fire Management, Surprise Fire and the Bureau of Land Management were responding the fire, located approximately 13 miles southwest of Wickenburg. Fire crews and aircraft were also deployed to fight the blaze.

The Central Arizona Wildland Response Team said multiple structures were threatened by the fire as the blaze quickly moved through the vegetation. However, no evacuations or pre-evacuations were ordered.

The cause of the fire was not known.

This is a developing story.