Four youths have been charged with arson after a fire at the Shire Hall in Llangefni.
The 19th century building on Glanhwfa Road, which served as former Anglesey Council headquarters, suffered significant damage during the blaze in December 2023.
The Grade-II listed was also used by Llangefni Town Council before they moved to the nearby courthouse following the fire.
North Wales Police said the youths, who cannot be named for legal reasons, will appear before a youth court in Caernarfon on Wednesday 9th July.


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