CHICAGO (CBS) — Emergency workers and Good Samaritans raced to the Chicago River downtown Thursday to save a man in the water.

The man was spotted in the water off State Street and Wacker Drive Thursday afternoon, the Fire Department said.

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CFD divers jumped in, along with two bystanders, the Fire Department said.

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The man was rushed to Northwestern Memorial Hospital in an unknown condition.

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The Good Samaritans refused treatment.