A man is in a critical condition in hospital after a serious crash between a car and a tractor.
The collision happened shortly after 12am on Friday morning on the westbound side of the A40 outside Carmarthen , and it's understood that one of the vehicles crashed through the central reservation.
A stretch of the dual carriageway between St Clears and the Meidrim junction was closed in both directions for almost eight hours, with the westbound carriageway re-opening just before 8am and the eastbound stretch some 15 minutes later.
The crash caused huge delays in the area early this morning, with a diversion in place through the village of Bancyfelin.
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Police and ambulance personnel dashed to the scene and two men - the driver and passenger of the car - were taken to Glangwili Hospital in Carmarthen.
One of the men is in a critical but stable condition.
Police are now appealing for information about the crash and are asking anyone who witnessed it to contact them by calling 101.
