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DOUGLAS COUNTY, Colo. — Firefighters worked to contain a a wildfire in Douglas County on Wednesday that was started by a discarded cigarette butt, South Metro Fire Rescue said.

About 1:15 p.m., three units responded to assist the Jackson 105 Fire District to fight the fire.

The fire burned near Colorado Highway 105 and Jackson Creek Road. The area is south of Sedalia and southwest of Castle Rock in central Douglas County.

Crews were able to contain the fire to one-quarter acre. No structures were threatened and there were no injuries reported.