Mid & West Wales Fire Service told ITV News that firefighters will remain at the National Library of Wales throughout the day, as investigations continue into the fire that damaged the building's roof on Friday.
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An event was held this morning to mark the 80th Anniversary of volunteers from Wales joining the fight against fascism in Spain.
The region extended their unbeaten run at home in the league to five games.
Cloudy skies mean we'll escape largely frost-free overnight! Feeling much milder with drizzle in the east at times.