Around seventy firefighters have been tackling a blaze at Glandwr Industrial Estate near Aberbeeg. It broke out just after 1am and spread to a garage and a carpet warehouse. Officers say there has been a partial collapse of a building.
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Local authorities said the move is necessary to "avert the growing number of deaths and increasing harm linked to psychoactive substances".
Sunny and bright spells for most of us this afternoon, feeling pleasantly warm.
North Wales Fire and Rescue Service say incidents of deliberate fires are more common during the school holidays.