A man and a woman have been killed in a crash on the A485 at Pontarsais, near Carmarthen.
Fire crews were called to the scene between Carmarthen and Alltwallis at 0352 GMT on Sunday where driver Mark Miller, 20 from Pencader died.
Chelsea Leigh Lewis, 20, from Llechryd, Cardigan who was a passenger also died.
Another passenger was taken to hospital but has since been released following treatment. Police are appealing for witnesses to the crash to contact them.