DENVER (AP) — Several hundred homes, a hotel and a shopping center have burned and thousands of people were evacuated in wind-fueled wildfires outside Denver.

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Boulder County Sheriff Joe Pelle says only one injury has been reported, but didn’t rule out finding out later about more severe injuries or death.

The wildfires engulfed parts of the area in smoky, orangish skies on Thursday.

The city of Louisville, which has a population of about 21,000, was ordered to evacuate after residents in Superior, which has 13,000 residents, were told to leave.

The neighboring towns are roughly 20 miles northwest of Denver.

LOOK: Crater Ridge Fire Burning In Wyoming

The Crater Ridge fire ignited in the Bighorn National Forest in mid-July. Since then, it has grown to more than 6,000 acres in size. As of August 30, the fire is 52% contained.