Television and radio services have been disrupted after a power cut at BBC Wales’ headquarters in Cardiff.
Power turned off in parts of BBC Broadcasting House in Llandaff at about 18:15 BST on Friday evening.
BBC Wales Today was unable to go out at its regular time of 18:30 and BBC Radio Wales’ Gareth Lewis programme fell silent.
The outage last for about an hour although Western Power Distribution had said it was not aware of problems.
In a tweet, BBC Wales said: “We apologise for disruption to BBC Wales services following a major power failure at our Llandaff HQ. We’re working to restore services as soon as possible.”
BBC Wales Today presenter Tomos Dafydd tweeted a picture of a dark studio television studio.