Crews battling brush fire burning near Big Bear in San Bernardino County

BIG BEAR, Calif. (KABC) — Fire crews are battling a brush fire burning east of Big Bear from the ground and from the air.

The fire broke out in the Cactus Flats area Saturday. So far at least 35 acres have burned, and the fire has a moderate rate of spread, according to officials.

The Cactus Flats OHV staging area is closed off due to the fire.

Officials say firefighters are making good progress on the blaze, and is 50% contained.

No structures are threatened and no evacuations have been ordered.

No further details were immediately known.

This is a developing news story. Updated information will be added here as soon as it becomes available.