Our North Wales Reporter Ian Lang says there is a strong police presence in St Asaph, with officers stepping up patrols to protect empty homes, where residents have still not been able to return.
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Fire crews have been responding to reports of flash flooding in Carmarthenshire. Some homes have been affected.
Medication designed for animals was taken from the building in Abertillery on Thursday night.
More than a thousand riders will be taking part in a series of events in and around the town.