Dyfed Powys Police say they are not looking for anyone else in connection with the deaths of a that a mother and daughter who were found dead at their home in Builth Wells on Monday.
In a statement the force said they do not believe they died from carbon monoxide poisoning.
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A largely dry and bright day with showers in the west. A northerly breeze will make it feel chilly again.
A chilly night with winter showers in the west and widespread frost and ice in places.
The former Siop Y Werin faces demolition as part of council plans to regenerate the town centre.