BIG BEAR LAKE ( — Firefighters are on the scene of a fast-spreading brush fire northeast of Big Bear Lake.

Big Bear Fire Department officials reported a blaze at Holcomb Valley Rd. and No Shore Dr. at 3:05 Monday.

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The Holcomb Fire had grown to 850 acres by 6 p.m. and was moving through Holcomb Valley toward the desert, officials said.

CBS2/KCAL9’s Crystal Cruz reports one firefighter suffered a heat-related injury.

The following closures have been reported by San Bernardino National Forest:

Roads Closures:
Highway 18 is closed between Baldwin Lake Road north to the Mitsubishi Plant Road
Van Duesen Canyon Road
3N16 at 3N09
Holcomb Valley Rd East closed at Hwy 18
3N69 at Hwy 18

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Hiking Trails Closures:
Pacific Crest Trail (PCT) at Hwy 18 to Van Dusen Road

Campground Closures:
Doble Trail Campground
Tanglewood Group Campground

The agency reported zero percent containment shortly before 11 p.m.

Big Bear Lake endured record-setting heat Monday, reaching 89 degrees.

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