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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Welsh Assembly Members could see a pay increase of almost 18% next year, which would see their salary rise by almost £10,000.
Plaid Cymru are expected to stress their role in any post-election discussions and say it's a chance to make Wales matter at Westminster.
A largely cloudy start to the day with a risk of some light rain and drizzle. Brighter spells will develop this afternoon.