I went on air and reported that Prescott had punched a protester in Rhyl, and expressed the view that this was potentially a resignation issue for him.
When I came out of the studio, a Labour press officer was already waiting on the phone. He told me that party officials travelling with Prescott confirmed the incident had not happened, that Labour was demanding an immediate retraction and an apology and that I had just ruined my career.
From the memoirs of Sky political editor, Adam Boulton. More here.