Dyfed-Powys Police is continuing to investigate the sudden death of 65 year old woman from the Llandysul area of Ceredigion.
The woman has been named as Patricia Anne Durrant, whose body was discovered at a property in High street, Llandysul yesterdat morning.
A 59 year old man from the Llandysul area has been arrested and remains in police custody.
Access to the street is currently restricted, while investigations and enquiries continue.
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A band of rain pushing in overnight, bringing with it the odd spot of coastal and hill fog, but things should improve by tomorrow.
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.