They found more than $14,000 worth of drugs, drug paraphernalia and a large amount of cash.
Police were investigating reports of fentanyl being sold from a Welland home, in the King Street and Albert Street area.
The NRP arrested a 56-year-old man earlier today.
He has been charged with the following offences;
- Possession of fentanyl for the purpose of trafficking
- Possession of crystal meth for the purpose of trafficking
- Possession of cocaine for the purpose of trafficking
- Possession of the proceeds of crime under $5,000
- Breach of probation

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