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Jeremy Corbyn has said he “will not tolerate” the abuse aimed at Woman’s Hour presenter Emma Barnett following his car crash interview.

The Labour leader was left floundering on BBC Radio 4 after he was asked how much funding was needed for his party’s universal pledge of 30 hours per week of free childcare.

At one point, Ms Barnett told listeners that Mr Corbyn has reached for his iPad to find the figure and he repeatedly asked if he could come back to his answer.

But after the show she received a torrent of online abuse from Corbyn supporters, with many labelling her “biased” and “unfair”.

Some also received anti-Semitic messages – with one Twitter user branding her a "Zionist shill.”

Speaking this afternoon at a Labour campaign event in Watford, Mr Corbyn condemned all the abuse aimed at Ms Barnett.

He said: “If you don’t like what a reporter says or asks of me, or anybody else, understand the question they’re asking, we will all do our best to answer those questions.

“But under no circumstances whatsoever should anyone throw personal abuse at anyone else because they’re doing the job they they’ve been employed to do.

“And I will not tolerate it under any circumstances,” he added.

Mr Corbyn also apologised for the cost omission in his earlier radio interview.

He said: "I didn't have the exact figure in front of me, so I was unable to answer that question, for which obviously I apologise. But I don't apologise for what's in the manifesto and I will explain exactly what the cost is.

"It's £4.8 billion it will cost by the end of the Parliament and it means that one million children will get childcare, free childcare 30 hours per week between the years of two and four."