A 23-year-old woman has died following a two vehicle crash on the A40 in Carmarthenshire.
She was driving one of the vehicles when the accident happened between St Clears and Whitland at around 11pm last night.
Two adults and two children, in the second car, were taken to West Wales General Hospital in Carmarthen but their injuries were not thought to be life threatening.
The dead woman, who was travelling alone, lived locally and her family have been informed.
Witnesses have been asked to contact police at the Carmarthenshire Roads Policing Unit on 101.