SIMI VALLEY ( — Officials evacuated a half dozen homes Monday afternoon as crews respond to a mercury spill in Simi Valley.

Ten people have been exposed, including three firefighters, according to the Ventura County Fire Department. No one was taken to the hospital.

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The leak has been contained.

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Two homes were sheltered in place.

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Simi Valley police are asking the public to avoid using Cochran Street between Tapo Street and Tapo Canyon Road until further notice.