Radnorshire Police posted on Twitter to confirm the man, who was carrying Class A substances, was stopped while leaving a train in Llandrindod Wells.
The tweet read: “Pro-active work from neighbourhood policing team (NPT) and response resulting in a positive stop of a male leaving a train in Llandrindod Wells who was transporting Class A drugs into Radnorshire.
“If you have any county lines concerns, ring 101 or 999 in an emergency.”
