Four people are facing drug trafficking charges after a vehicle was pulled over on the west coast earlier this week.

The vehicle was stopped by the RCMP-RNC Joint Forces Operation West in Corner Brook on Wednesday.

They allege that the driver, identified as 45-year-old Sandra Callahan of Corner Brook, showed signs of impairment and did not comply with a breath test, while a passenger, 25-year-old Bobby Sheppard of Deer Lake, was in breach of his probation.

Police say when they searched the vehicle they located 1.5 ounces of cocaine, a large quantity of various pills, LSD, cash, and other items consistent with possession for the purpose of drug trafficking.

Both Callahan and Sheppard appeared in court yesterday on charges possession of cocaine for the purpose of trafficking. Callahan is also facing a charge of refusal, while Sheppard is facing charges of resisting arrest and breaching probation.

They have been released from custody to appear in court at a later date.

Meanwhile, two other people have been released from custody and are also facing charges of possession for the purpose of trafficking cocaine.

The investigation is continuing with more charges possible.