Mid and West Wales Fire Service told ITV News they have left the scene of Thursday's crash, although the dual carriageway remains closed between between Aberdulais and Resolven.
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Thousands of customers were left without water following after snowy weather last February.
The charity Prostate Cancer UK found that only 3 out of 7 health boards in Wales offer the scan.
The Welsh Government says a minimum price per unit would help tackle alcohol abuse and save the NHS money.