Update: Cajon Fire burns five acres in San Bernardino County

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Updated: 11:31 a.m. May 18

First discovered: Less than an hour ago, 10:52 a.m. May 18

Initial location: San Bernardino County, Calif.

Fire type: Wildfire

Fire name: Cajon

Cajon Fire initially started today at 10:52 a.m. at in San Bernardino County, California.

After being active for less than an hour, it has burned five acres of private land, an increase of five acres since the last update. Currently, there is no information on the containment of the fire and the cause of it remains undetermined.

Source: National Interagency Fire Center

United Robots Sacramento

This story was originally published May 18, 2026 at 11:31 AM.