Laura Ingraham was left red-faced after an awkward hot mic moment as she introduced Charlie Kirk on her Fox News show. A disembodied voice could be heard saying an expletive – “Oh s***!” – as Ingraham launched into a live segment with the conservative commentator.

Fox News had an unfortunate moment with a hot mic on Wednesday as one of the network’s guests was given a four-letter greeting. The moment came as Laura Ingraham introduced far-right commentator Charlie Kirk for a segment on corporate leaders becoming more friendly to President-elect Donald Trump.