CHELSEA (CBS) – Fifteen people were arrested in a Chelsea prostitution sting operation that the department called “Deflate Date.”

The Chelsea Police Department used undercover officers to target prostitutes and “Johns” on Friday night.

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“The department has prioritized this enforcement effort and will continue these operations throughout the year to send a clear message of zero tolerance,” Police Chief Brian Kyes said.

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Names of those arrested in the prostitution sting were not released.

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Police urged anyone who witnesses prostitution to call 911 or the 24-hour Chelsea Police Department hotline at (617) 466-4800.