Hamilton police say they were tipped off about alleged drug activity in a Barton Street East apartment last month and executed a search warrant Thursday afternoon.

Detectives say it's one of the largest seizures of crystal meth, heroin, and fentanyl the city has ever seen.

Police say officers seized heroin, cocaine, methamphetamine and a “flick knife" during a traffic stop on Monday afternoon in Lindsay, Ont.

“During their search of the house and property, police seized a quantity of suspected illicit drugs, including ketamine, heroin and cocaine.”

Three men are facing drug-trafficking charges following an investigation in Lindsay, according to City of Kawartha Lakes police.

The City of Kawartha Lakes Police Service say officers were notified on Thursday of a woman who had reportedly overdosed on heroin.

Police say officers seized drugs, including heroin, fentanyl and cocaine, along with a loaded handgun, cellphones, digital scales, laptop computers and cash.

Penticton RCMP said the drug bust took place on Wednesday at a residence on Lakeside Road.

Police seized 17.4 grams of heroin and a combat knife following a traffic stop along Highway 35 in Lindsay on Monday night.

The Kawartha Lakes Police Service drug enforcement unit concluded an investigation on Monday that led officers to arrest two men in the area of Fair Avenue.