Police seize about 45 grams of fentanyl and over $25,000 cash.
One person is facing charges following a drug bust in Grimsby.
In April, the Halton Regional Police Service started an investigation into the alleged sale of narcotics from a home in Niagara.
Together with Niagara Regional Police, a search warrant was conducted yesterday at a home on Dunrobin Lane near Winston Road.
Investigators say a white 2016 Ford F150 pickup truck was also searched.
About 45 grams of fentanyl was found, as well as drug trafficking paraphernalia, a spring assisted switch-blade knife, and over $25,000 in Canadian cash.
69 year old Stephen Mark O'Sullivan was arrested.
Niagara Regional Police has taken over the investigation.
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