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Border Fire Explodes East of San Diego
3 Jun
Summary
- The Border 6 Fire spanned roughly 1,000 acres near the California-Mexico border.
- Evacuation warnings were issued for remote areas south of Barrett Junction.
- The fire started in Mexico and crossed into the U.S. on June 2, 2026.

A significant vegetation fire, dubbed the Border 6 Fire, has rapidly expanded to approximately 1,000 acres along California's border with Mexico. As of Wednesday morning, June 3, 2026, the fire was only 5% contained and located in a rural, challenging terrain east of San Diego.
Local officials issued evacuation warnings on Tuesday, June 2, 2026, for residents in the remote areas south of Barrett Junction and Engineer Springs. The fire's origin was on the Mexican side of the border on Monday, June 1, 2026. It reportedly crossed the Tijuana River Drainage overnight into Tuesday, initially covering about 20 acres in the U.S.
Fire activity intensified significantly on Tuesday and continued into Wednesday. Approximately 130 firefighting personnel were deployed to combat the blaze in the rocky and difficult landscape. As of Wednesday morning, there were no reported civilian or firefighter injuries, nor any structural damage.