MARICOPA COUNTY, AZ — Forward progress has reportedly been stopped on the "Bronco Fire."
The blaze is roughly 50% contained, according to the U.S. Forest Service.
The fire has already burned an estimated 100 acres.
The cause of the fire is not yet known.
A Red Flag Warning is in place for parts of Maricopa County Sunday because of strong winds, low humidity, and overall high fire danger.
Winds could gust as high as 40 miles per hour during the day Sunday.

