RAINBOW (NEWS 8/CNS) — Firefighters have contained small brush fire alongside Interstate 15, near Rainbow Valley Boulevard in the far northern reaches of San Diego County, according to Cal Fire.

The blaze, which blackened 1.6 acres, caused no reported of structural damage or injuries.

Cal Fire tweeted an update just after 6 p.m. saying the fire was 100 percent contained. 

All lanes of southbound I-15 were reportedly reopened.

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