More than £170,000 of heroin was seized during a drugs raid in Paisley.
Detectives swooped in on a property in Lochfield Drive yesterday where they recovered the haul of brown powder believed to be the Class-A drug
The drugs recovered have been sent away for testing and are understood to have a street value of £174,000.
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A 63-year-old man has been arrested and charged in connection with drug supply offences.
He is due to appear at Paisley Sheriff Court today.
Detective Inspector Robert Bowie, of Renfrewshire and Inverclyde's Serious and Organised Crime Team, said: "This significant recovery reinforces our determination to target serious and organised crime.
"Drug misuse brings nothing but misery to our communities and people's lives can be ruined.
"I want to reassure the public that we will continue to use every tool and tactic at our disposal to remove these illegal substances from our streets.
"Serious and organised crime has no place in our society and we will continue to disrupt this, and any other criminal activity, which impacts on our lives and our communities.”