Gwyn Jones, from North Wales Fire and Rescue Service, says that civil engineers inspecting the dam believe that a severe breach is "not imminent." However, evacuation is being undertaken to ensure public safety.
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One-year-old sheepdog Nell was stolen from a farm on the outskirts of Dolgellau.
Police are investigating an allegation that a young child was approached by a stranger in Llanelli.
An unsettled few days are in store, with rain and wind expected.