New Bedford Police arrest four people in three separate incidents involving illegal drugs.

Police responded to a report of a disturbance Thursday morning on Washington Street and arrested 33-year-old Shawnte' Paulette and 21-year-old Julia Froehlich, both of New Bedford. Both were charged with possession of suspected cocaine and narcotics violations.

Also on Thursday, Narcotics Detectives conducting surveillance for street-level drug sales on Acushnet Avenue arrested 18-year-old Trin Keifer of New Bedford. Keifer was charged with possession of a Class B substance.

And early Friday, following a traffic stop on Tallman Street, police arrested 28-year-old Heather St. Pierre of New Bedford. She was charged with possession of suspected cocaine.