Sarnia police seized fentanyl, weapons and drug paraphernalia from a woman in a bust early Tuesday morning.
Police said a woman wanted on an outstanding warrant was stopped by officers at around 2 a.m. in the area of Capel Street and Exmouth Street.
Police said the woman in her 30s was allegedly in possession of just over 12 grams of Fentanyl.
She was charged with possession for the purpose of trafficking and possession of a prohibited weapon.
Her name has not yet been released.