NEW BEDFORD — Police have seized over $30,000 worth of heroin and a substantial amount of Fentanyl as part of an investigation into a heroin delivery service.

New Bedford Police Detectives executed a search warrant at 598 Brock Avenue, Apartment 3F, at around 9:40 p.m. on Tuesday. The search included the apartment and a garage stall on Stapleton Street.

During the search, police uncovered over 311 grams of heroin, more than 80 grams of Fentanyl, a digital scale, packaging materials, and nearly $300 in cash.

Police arrested Orlando Rosario, 33, of 598 Brock Avenue, Apartment 3F, and charged him with trafficking heroin, trafficking Fentanyl, and unlicensed operation of a motor vehicle.

Rosario was located as he was driving away from the Stapleton Street garage stall. His vehicle was stopped by detectives at Cove Street and Route 18 North.