Julia Hartley-Brewer has called for Jeremy Corbyn to sue her after she called him an 'anti-Semite' on talkRADIO.
The No Nonsense Breakfast host was joined by Mike Cushman, a spokesperson for the Jewish Voice For Labour to discuss the reported anti-Semitism issue growing within the party.
It comes after The Telegraph reported on Monday that Labour's investigation unit is on the brink of collapse after three members of staff quit the department, leaving just one in charge of dealing with complaints.
Thomas Gardiner, interim head of compliance, is currently investigating 70 people over anti-Semitism with a reported 200 more waiting to be investigated.
Jeremy Corbyn came under more scrutiny over the weekend when footage of him speaking in 2013 emerged of him criticising British Zionists.
In the footage he said that British Zionists "don't understand English irony".
Cushman came to the defence of Corbyn and said the comments he made have been taken out of context.
"Well, I have looked at the video and he was talking about two people who were being disruptive, who were being extremely rude to the Palestinian high commissioner, and he was addressing two people.
"He wasn't addressing Zionists whole sale, he wasn't addressing thousands of Jews, he was addressing two people."
'He wasn't talking about Zionists wholesale'
Julia quickly replied, saying: "That's not context, you know that's a lie, Mike Cushman..."
"Allow me to finish, Julia... two people who - when I've been chairing meetings - I've had difficulty controlling because they've been so disruptive and been so rude, there's the context. He wasn't talking about Zionists as a wholesale, he's talking about two people and their very bad behaviour."
Things got heated between the caller and the breakfast show host, with Hartley-Brewer criticising Corbyn for sharing platforms with people who share "the most outrageous anti-Jewish views".
"I watched the video, and there is no question at all that wasn't the context. You think it's okay for Jeremy Corbyn to continue as Labour leader despite the fact he consistently shares platforms with people who share the most outrageous anti-Jewish views?" Hartley-Brewer asked.
"Like who? [Holocaust survivor and anti-Zionist] Hajo Meyer? Like a survivor of Auschwitz, who's entitled to talk about his experience?" he said.
"Like Hamas, like Hezbollah, like the people who he was honouring at the Tunisian cemetery - you've mentioned one Jewish holocaust survivor well done you!" Hartley-Brewer shot back.
'Come on Jezza, sue me'
The conversation came to an animated end when Cushman accused the press of abusing Jeremy Corbyn over sharing a platform with Meyer.
"He received an enormous amount of abuse for being on a platform from Hajo, he gets a lot of abuse from anyone he shares a platform with," he said.
"Who from? Who was the abuse from?" asked Hartley-Brewer.
"From the press, it was all over the media wasn't it?"
I think you're confusing criticism with abuse; those are different things in a modern democracy."
"It's abusive to call him an anti-Semite," Cushman said.
"Do you know what then, I believe Jeremy Corbyn is anti-Semitic and racist, he can sue, we have libel courts, he can sue me, he can take me every single penny he wants, he just have to call his libel lawyer," exclaimed Hartley-Brewer.
"Come on Jezza, sue me; I think you're anti-Semitic, I think everything you do and say suggests you're anti-Semitic. I think you're an anti-Semite just like Margaret Hodge, if that's not true prove to me that's not true; take me to court, sue me for libel and let's get this out in the open."