A worker at Newport manufacturing company Rowecord has told ITV News that "a couple of hundred" jobs are being lost.
He said that many workers were told they were being made redundant half an hour ago.
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Swansea relieved the pressure on under-fire manager Bob Bradley with an emphatic 3-0 home victory over fellow strugglers Sunderland.
Sol Bamba was sent off after losing his cool but Cardiff hung on to claim a deserved 1-1 draw at Ipswich.
Today's rain will soon clear south-eastwards to leave a largely dry night with some long clear spells.