(PARK COUNTY, Colo.) — The Park County Sheriff’s Office (PCSO) confirmed to FOX21 News that criminal charges will be filed against a person in Park County after they allegedly dumped ashes in their backyard, sparking the 403 Fire that has burned more than 1,500 acres as of Tuesday, April 4.

“We are seeking criminal charges and will to the fullest extent of the law,” said Park County Sheriff, Tom McGraw. “This fire was preventable. While it may seem early in the fire season, we remind everyone to use caution when dealing with any open flames, ashes or heat sources.”

On Monday, April 3, the fire was 60% contained and had burned 1,518 acres in Park and Teller Counties. That acreage remained unchanged Tuesday, as crews were reduced following light precipitation and cold temperatures.

  • Hand crews fight the 403 Fire
  • Hand crews fight the 403 Fire
  • Hand crews fight the 403 Fire
  • Hand crews fight the 403 Fire
  • 403 Fire grows to 1,215 acres, 25% containment
  • 403 Fire grows to 1,215 acres, 25% containment
  • 403 Fire grows to 1,215 acres, 25% containment
  • 403 Fire grows to 1,215 acres, 25% containment
  • 403 Fire grows to 1,215 acres, 25% containment
  • UPDATE: 403 wildfire spans 1,205 acres, resources getting in place
  • 403IC Fire burning in Park, Teller Counties
  • Mandatory evacuation ordered for Park County residents near wildfire

Mandatory evacuations were lifted on Sunday, April 2, though many neighborhoods remain under a pre-evacuation order and authorities want neighbors to remain prepared to evacuate in case conditions change.

The fire sparked on Thursday, March 30 during high wind and Red Flag warnings.

No structures have been lost and no injuries have been reported as of Tuesday.