PITTSBURG (CBS SF) — Firefighters have contained a 15-acre brush fire burning in unincorporated Contra Costa County just south of Pittsburg Tuesday evening, a fire dispatcher said.

The blaze was reported near the intersection of Kirker Pass Road and Nortonville-Somersville Road at about 5:30 p.m., a dispatcher said.

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The brush fire was contained within about at about 6:30 p.m., fire officials said.

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The cause of the fire remains under investigation.

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