GB News has broken Ofcom rules for the first time since the news channel launched in June 2021.
On Monday, Ofcom confirmed the regulatory body had found the Mark Steyn programme, which aired on GB News on April 21, 2022 in breach of broadcasting rules.
In a statement, Ofcom said: "We have been consistently clear that, under our rules, broadcasters are free to transmit programmes which may be considered controversial and challenging, or which question statistics or other evidence produced by governments or other official sources.