[#item_full_content] Court hears 27-year-old had 4.5mcg of THC in his blood against legal limit of 2mcg A HAVERFORDWEST man has been banned from driving for 12 months after being caught behind the wheel with more than twice the legal limit of cannabis in his system. Joshua Knapp, 27, was stopped by police at around 8.40am on 
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Haverfordwest drug-driver banned after being more than twice cannabis limit
ByPot Shop News
October 27, 2026