ROSEVILLE (CBS13) – Police say a Roseville bar has been suspended after an undercover operation found narcotics sales.

The Onyx Club had been under investigation since November when Roseville police say they got a tip that bar staff were involved in narcotics sales while working.

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Undercover agents with Roseville police and the Department of Alcoholic Beverage Control were able to buy cocaine. Several violations were documented, police say.

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As a result of the investigation, the bar’s ownership has agreed to several penalties, including: a 30-day suspension (beginning on Jan. 3, 2019), three year suspended revocation, limitations of alcohol sales to the patio after 10 p.m. from Sunday through Wednesday and 1 a.m. Thursday through Saturday, and the hiring of one licensed and uniformed security guard on Fridays and Saturdays.

Roseville police also said they have filed charges of narcotics sales.

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Editor’s note: This story has been changed to clarify that it’s unclear if employees at the bar were involved in the undercover operation.