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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The court heard how Anthony Bird, 49, put the body of Tracy Kearns in a tree house and then placed it in a trailer.
Town councillors have defended Caerphilly's Christmas tree after it was criticised on social media.
A real taste of winter to come over the next few days, with frost, ice and snow!