A 43-year-old man and a 24-year-old woman have been arrested on suspicion of murder after the death of one-month-old baby girl from the Cwmbran area.
The ambulance service reported concerns about the health of a baby on Saturday. She was taken to the Royal Gwent Hospital and then to the University Hospital of Wales, where she died on Monday.
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A dry start to the night with mist and low cloud, but rain will push into the south by the early hours.
Two people forced their way into a flat in Caerphilly and demanded the victim's car keys. He was assaulted and received cuts to his head.