Pen Y Fan has been closed to the public ‘until further notice’
Witnesses report a large number of police officers at the scene
This morning police cordoned off one area of Pen Y Fan mountain via the access point at the Pont ar Daf car park after a "multi-agency incident".
Eyewitnesses have reported seeing many police officials, a search helicopter and a mountain rescue team at the foot of the mountain.
The National Trust have stated that there is "no access to Pen Y Fan until further notice".
SWP_TST4 – Assisting @DyfedPowys, @CBMRT and @BreconMRT with a Multi-Agency Incident at Pen Y Fan & Storey Arms. Please bear with us if your passing through / commuting or having to change your walking routes this morning. #ThankYou ~ 3506 pic.twitter.com/R4mo6fo9ge
— SWP_Operations (@SWP_Operations) January 3, 2019
Dyfed-Powys Police have said it is not a training exercise and more details will be given as the investigation progresses.
This is part of a search for a missing person which has been categorised as a "Multi-Agency Incident" in a tweet by the South Wales Police Operations account.