Cardiff Coroner's Court says it has been made aware of the death of a one-month-old baby but an inquest has not yet been opened.
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Catch up on Tuesday's Wales at Six with Kylie Pentelow.
Cloud will start to build overnight, with temperatures holding up into the double figures for some places, making it a rather mild night.
Jordan Routley died after being hit by a car on Saturday April 20 on Chepstow Road near Beechwood Park.