George Osborne has told ITV News that there will be no tolls on any new M4 relief road around Newport.
But on a visit to Cardiff, the Chancellor said he hope to give the go ahead to a scheme that would improve the road within a couple of months.
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Whilst it should be drier than Wednesday, some rain is still expected.
It will stay largely cloudy tonight and there will be some further rain around, with central parts perhaps staying driest.
ITV Wales understands the reason for the inquiry call stems from concerns raised at the end of 2016 over a former healthcare support worker.