Search for man missing at Cantref Reservoir, Brecon Beacons
Emergency services are searching for a man who has gone missing at a reservoir in the Brecon Beacons in Powys.
Dyfed-Powys Police said emergency services were called to Cantref Reservoir at about 14:45 BST on Sunday.
Searches are continuing to try to find the missing man, who is believed to be in his 20s.
The main A470 road which links south and north Wales has been closed between Merthyr and the junction with the A4059 north of the reservoir.
The Cantref Reservoir is one of a series of three on a stretch of the A470 near Merthyr Tydfil.