SAN BERNARDINO (CBSLA.com) — Authorities Saturday continued to investigate the cause of a fast-moving brush fire in San Bernardino County.

The so-called Mills Fire broke out around 2:15 p.m. Friday near Mill Creek Road, prompting evacuation orders for dozens of homes. Residents have since been allowed to return home.

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The fire scorched at least 350 acres in parts of Redlands, Mentone, and Yucaipa. At one point, flames burned dangerously close to structures and damaged one home.

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The California Department of Forestry and Fire Protection (Cal Fire) says the fire was 20 percent contained as of Saturday morning.

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