Television and radio services have been disrupted after a power cut at BBC Wales’ headquarters in Cardiff.
Power was lost 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 and BBC Radio Cymru fell silent.
The cut lasted for about an hour. BBC Wales said its radio services had been restored on FM and DAB.
Viewers tuning in for Wales Today instead saw BBC Northern Ireland’s Newsline.
In a tweet, BBC Wales said: “We apologise for disruption to BBC Wales services following a major power failure at our Llandaff HQ.
Western Power Distribution said it was not aware of problems.
BBC Wales Today presenter Tomos Dafydd tweeted a picture of a dark television studio.
During BBC Northern Ireland’s Newsline, presenter Declan Harvey welcomed Welsh viewers.
“Before we go any further we need to quickly mention that viewers in Wales have joined us,” he said.
“They’re not getting Wales Today at the moment due to technical difficulties, so welcome to BBC Newsline.”
Mai Davies, who was taken off air on BBC Radio Wales, said the power cut was “one of the oddest” things to happen in her career.