Officials say the closure is a precaution against long-term health risks. No reopening timeline has been set for the school.

Richmond's Kennedy High School has been temporarily closed to students and staff after a toxic chemical was discovered in the campus ground.

The district said there is no immediate risk to health and safety, but students and staff are temporarily not allowed to enter the school.

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Levels of a toxic chemical were found underneath Richmond's Kennedy High School, prohibiting entry onto campus.

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Kennedy High School in Richmond closed Monday due to toxic vapors identified underneath the campus. Officials on Tuesday said ...