Video Credit: Stuart Hulse
The M4 is blocked both ways with queuing traffic due to an overturned caravan between J38 A48 (Margam) and J37 A4229 (Pyle).
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During a renovation project, Victorian mosaics were found underneath a carpet and a wall memorial dated 1732 was discovered.
A bright and frosty start, with the risk of some icy patches. However cloud will soon spill in from the northwest,
Wales woke to another frosty morning on Saturday after temperatures plunged.