The LBC radio host challenged Mr Gardiner on whether he was prepared to apologise to ITV reporter Libby Weiner after he furiously lashed out at her for questioning Jeremy Corbyn over anti-Semitism in the Labour Party. Mr Ferrari asked: “In the light of the criticism that's been shared, do you want to review the way you dealt with the question from the ITV journalist?
“There are suggestions that perhaps your handling of the ITV journalist was a little brusque and you were telling her what her job was.
“Are you ready to apologise to that journalist now?”
Mr Gardiner refused to apologise and argued his approach was nothing but fair in the light of having been asked a question by Ms Weiner that had already been asked by Sky News' Beth Rigby a few minutes earlier.
He said: "I don't think an apology is necessary. Let me explain why
"The question immediately prior to that had been asked by Beth Rigby. We were taking three questions together and she had asked exactly the same question as well as a question about health and trade, which was the matter we were discussing at that time.
"Libby Weiner only asked about that, so I gave her the opportunity also to ask about health and trade."
Mr Corbyn and Mr Gardiner held a press conference to answer questions about Labour's commitments to the NHS. However, when Ms Wiener asked the Labour leader to apologise for issues of anti-Semitism in the party during his tenure, Mr Gardiner demanded that she change her question.
Ms Wiener asked: “Jeremy Corbyn, you say that you’re on the side of the people, does that include Jewish people? And do you want to take this opportunity to apologise for anti-Semitic incidents in the party that have happened on your watch?”
Furious, Mr Gardiner snapped: "Do you have a question about the issue that we're actually discussing today or was that just an opportune moment to get a dig in about something else?"
The ITV journalist denied that the question was intended as a "dig". She said: "It’s not a dig, it’s actually quite serious.”
Mr Gardiner replied: “It’s very serious, indeed, but we’re here today to discuss the NHS and the trade deal. As a journalist attending this event, you might have a question about that issue because I’m sure you’ll agree that’s of real importance to the British public. Do you have a question?”
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Ms Wiener agreed that it was of importance, before asking a question about the NHS being “on the table” for future trade talks with the USA.
In a testing BBC interview with Andrew Neil, Mr Corbyn refused four times to apologise to Britain’s Jewish community over allegations of anti-Semitism in the Labour Party.
Prior to that, Chief Rabbi Ephraim Mirvis accused the Labour leader of being unfit to be Prime Minister over his failure to tackle the issue. In Summer 2018, Mr Corbyn apologised for the hurt that was caused to the Jewish community.
The Labour Party launched its race and faith manifesto this week, which included policies on how to combat anti-Semitism in Britain. It also set out plans "to ensure historical injustice, colonialism and role of the British Empire is taught in the national curriculum”.