Mark Davies was one of the eyewitnesses, as water cascaded over the wall of a car park after debris blocked a culvert.
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Finley Thomas was found motionless and looking "ghostly" in colour by paramedics at his home in Tonypandy.
Grass pollen is about to take over from tree pollen as the main cause of any hay fever-related sniffles!
The National Library of Wales has launched a competition to design an accurate replica of its building.