DYFED-Powys Police have intercepted drugs being sent by mail following an operation at a sorting office.
Officers joined Royal Mail staff in Haverfordwest on Tuesday, (July 14), with a police dog on hand to sniff out suspicious packages.
The force has received several calls from staff at the sorting office over recent months, reporting parcels they suspected to contain illegal drugs.
Haverfordwest sergeant Gerwyn Davies said: “We’ve had incidents reported to us recently where this method of using Royal Mail to distribute drugs has included substances packaged in envelopes with sweets.
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