Update: Border 4 Fire burns 1.5 acres in San Diego County

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Updated: 2:27 p.m. May 17

First discovered: 1:11 p.m. May 17

Initial location: San Diego County, Calif.

Fire type: Wildfire

Fire name: Border 4

Border 4 Fire initially started today at 1:11 p.m. at in San Diego County, California.

It has burned 1.5 acres of private land, an increase of one acre since the last update. There is currently no information on the containment of the fire and its cause remains undetermined.

Source: National Interagency Fire Center

United Robots Sacramento

This story was originally published May 17, 2026 at 2:05 PM.