BILLERICA — Billerica Police Department officers and detectives have made four arrests on felony-level drug charges following seizures of more than 100 grams of cocaine and fentanyl, Chief Roy Frost announced Tuesday.
The arrests occurred throughout March and April in the Pinehurst, Nuttings Lake, North Billerica and Town Center neighborhoods.
Each seizure resulted in one arrest, with all four defendants facing drug trafficking charges…