Dyfed-Powys Police is dealing with an RTC at the Crosshands roundabout.
In a statement issued within the last few minutes the force said:
“We’re currently dealing with an incident at the Cross Hands roundabout – a lorry has lost its load of milk and all junctions have had to be closed.”
UPDATE: The road is now open and traffic is moving slowly. Thank you for your patience while the team made the road safe for everyone to carry on their way