One person has died after being killed by a motorcycle as he passes through the Lonelie Town Center.
Dyfed-Powys police said it received reports of a motorcycle and a serious incident on a pedestrian on Friday around 21:55 BST.
A person walking near a domestic bargain on Station Road was facing serious injuries and died on the spot.
A 21 -year -old man has been arrested on suspicion of being caused by death due to dangerous driving and remains in custody.
Dyfed-Powys police said it was not looking for anyone else regarding the incident.
He said that the family of the pedestrian has been made aware and is being supported by expert officials.
Any information that the authorities can help in their investigation is asked to report to the force.
