An ongoing investigation by Peterborough police led to the arrest of a 21-year-old man on drug and weapon charges.

An addictions physician told Global News a number of factors have led to a disruption in the supply chain of fentanyl coming into the country.

Investigators executed search warrants at two residences in Peterborough where they seized drugs.

Toronto Police Chief James Ramer has asked the OPP to review the entire incident and any of the cases the detective worked on.

'Our officers responded quickly and effectively, and I commend them on their excellent work,' said Insp. Timothy Tatchell, detachment commander.

If the request is granted, B.C. would become the first jurisdiction in Canada to be able to decriminalize the possession of small amounts of illicit drugs for personal use.

According to the Overdose Monitoring Alert and Response System, three people in the Waterloo region suffered a fatal overdose within 16 hours.

The estimated street value of the drugs seized is $6,000, police say.

Police seized cocaine, drug paraphernalia, cash and weapons during a routine traffic stop in Trenton.

Peterborough County OPP seized opioid and cocaine in two separate traffic stops on Friday.