HAVERHILL (CBS) — DEA agents and Haverhill Police have charged a man with trafficking heroin following his arrest Friday afternoon in a McDonald’s parking lot.

Agents from Portland, Maine, Boston, DEA Cross Border Initiative and local police detectives were involved in the arrest of 22-year-old Christopher Graciano-Fernandez around noon outside the fast food restaurant on River Street in Haverhill, according to the Haverhill Police Facebook page.

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During the arrest, 300 grams of fentanyl laced with heroin with a street value of $20,000 were seized by investigators.

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(Image credit: Haverhill Police/Facebook)

300 grams of fentanyl laced with heroin with a street value of $20,000 were seized by investigators on Friday. (Image credit: Haverhill Police/Facebook)

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Graciano-Fernandez was held without bail, and he is slated for arraignment Monday in Haverhill District Court.