Firefighters aggressively attacked a wildfire 4 miles north of Breckenridge on Wednesday afternoon and appeared to be getting an upper hand on the blaze as evening approached. The fire was first reported before noon and rapidly swept through up to 80 acres of forest in steep, rugged terrain.

“Visually it looks like the fire is laying down,” joint emergency information center spokeswoman Suzanne Lifgren said early Wednesday evening.

The Peak Seven neighborhood, which includes 463 homes, is under full evacuation notice.

The Gold Hill neighborhood is on pre-evacuation notice Wednesday evening, Lifgren said, however, officials said everyone in Breckenridge should be prepared to evacuate.

A news conference with fire and emergency response officials is set for 7 p.m.

Peak 7 neighborhood residents Aaron Golbeck and Garret Bailey watched the smoke and flames for an hour or more. “My truck is all packed up,” Golbeck said.

Firefighters from multiple agencies aim to “put a box around it” to stop the wildfire from spreading, Lake Dillon Fire spokesman Steve Lipsher said.

The wildfire reported at 11 a.m. Wednesday was relatively small but “close enough to Breeckenridge to be alarming,” Lipsher said.

Two fixed-wing air tankers took turns dropping slurry on the flames, stopping at Rocky Mountain Metropolitan Airport to load. One helicopter is dropping water and another was on the way at 5:30 p.m.

Eight smoke jumpers are battling the fire and 21 firefighters from four hot shot crews from Leadville and Park and Grand counties have been mobilized, officials said. In addition, an unknown number of firefighters from the Red, White & Blue Fire Protection District are fighting the blaze.

Gov. John Hickenlooper has authorized the National Guard to mobilize.

No injuries have been reported to firefighters or residents and no structures have been destroyed by fire, Lifgren said.

Smoke from the fire was visible from Interstate 70 throughout the afternoon and the fire was moving southeast, fire officials reported. Winds appeared to shift a bit to the east after 6 p.m. The fire is burning in an old growth forest of heavy timber including ponderosa pine.

The fire was small when it was discovered near the Colorado Trail outside Breckenridge Wednesday morning by a mountain biker who saw smoke and hiked off trail to find the source. Then the fire was about 50 square feet, but by the evening it had spread to between 60 and 80 acres, Lifgren said.

Firefighters are monitoring the situation to determine if more evacuations will be necessary. Summit County officials issued a ban on open fires.

Red, White & Blue Fire Protection District urged residents not to call 911 unless they had an emergency.

The evacuated area includes a mix of large vacation homes and smaller cabins owned by service workers, Lifgren said. Many of the vacation homes are vacant, she added.

Denver Post reporters Jesse Paul, Bruce Finley and Danika Worthington contributed.

Broncos defender Shaquil Barrett snapped a photo from I-70 of the smoke plume.

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