Police are appealing for witnesses to a collision between a white Transit van travelling west and a recovery vehicle travelling east on the A477 Llanddowror bypass.

The collision occurred at approximately 10.45 pm on Friday, resulting in the road being closed overnight. The road re-opened at 7.20 am the following morning.

Three male persons were taken to hospital where the driver of the van remains in a serious condition.

Investigations are ongoing by Carmarthenshire Roads Policing and officers are appealing for witnesses to come forward.

Anyone with information can contact Carmarthenshire Roads Policing department on 101.