Grand Junction — A 10-acre brush fire that destroyed a double-wide mobile home as well as several outbuilding and vehicles Monday in Grand Junction is believed to be human-caused, according to the Mesa County Sheriff’s Office.

More than 350 homes in southwest Grand Junction were evacuated after the Rosevale fire broke out about 7 p.m. along the 2500 block of D Road.

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The sheriff’s office says a person claimed responsibility for starting the fire, and that their account of what happened is consistent with evidence found at the scene of the fire.

That person, according to the sheriff’s office, was trying to fix a flat tire on a riding lawnmower when tall grass nearby caught fire and quickly spread.

As neighbors called 911, the sheriff’s office says the person who allegedly started the fire worked to slow its progress until firefighters arrived.

The Mesa County District Attorney’s Office will determine if charges will be filed. No arrests have been made at this time.

The fire remains under investigation.