More than a dozen runners fall ill during Santa Barbara half marathon

SANTA BARBARA, Calif. (KABC) -- More than a dozen runners were being treated after falling ill during a half marathon in Santa Barbara on Sunday, according to health officials.

Cottage Health Hospital in Santa Barbara said it had treated at least 19 people with similar symptoms.

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The cause of the illnesses was not immediately known.

More than 7,500 people participated in the race, officials said.

Authorities had not released further information on the patients' conditions.

This is a breaking news story. More details will be added as more information becomes available.