UK Cabinet ministers and senior Assembly politicians will be amongst the speakers at the party's Welsh conference in Swansea. It's being held at the Liberty stadium and delegates will be hoping some of Swansea's footballing success will add to their party's electoral prospects.
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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.