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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A £500 million investment has been secured for a new riverside development in Cardiff, which would link the City Centre with Cardiff Bay.
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Labour MPs will use a one-off debate in the House of Commons to hit back at Westminster criticism of the Welsh Government