OLEAN, NY -- Olean police arrested a 39-year-old city man on drug charges Thursday.

The Street Crimes Unit of the Olean Police Department arrested Brian D. Johnston of 125 S. Barry St. and charged him with criminal sale of a controlled substance and criminal possession of a controlled substance.

Police said investigators located Johnston on the 100 block of South Barry Street Thursday at 6:50 p.m., and he was taken into custody without incident.

The arrest is the result of an investigation by the department's Street Crimes Unit and the Cattaraugus County District Attorney's office into the sale of prescription pills.