Dyfed Powys Police have confirmed a major operation at Cantref Reservoir in the Brecon Beacons was sparked by a missing man.
In a statement, the force said there were called to the reservoir at around 2.45pm after reports of a missing man and emergency responders conducted searches at the scene.
The A470 at Merthyr and the junction of the A4059 were closed while the search was carried out.
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The grade II listed building dates back to the 15th century and was used as a court house. It was turned into a tearoom over 50 years ago.
It'll be yet another beautiful day with plenty of sunshine around but there will be a little bit more cloud around this afternoon.