ITV News understands that there were people working on the roof of the National Library of Wales today, when the fire started.
Nobody is thought to have been injured.
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The Children's Commissioner has found that nearly a third of five to eight year olds are left feeling hungry after a school dinner.
A cold but bright start to Friday, then a largely dry and bright day.
There are calls for dog owners to do more to control their animals after a spate of attacks on dogs in Port Talbot.