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The Tory party chair was skewered by Emily Maitlis last night over the decision to 'mislead the public' with the CCHQ Twitter account.

The Conservative Campaign Headquarters press office account was renamed "factcheckUK" during Tuesday evening's ITV broadcast, offering commentary on Labour leader Jeremy Corbyn's statements and retweeting messages supporting Boris Johnson.

Twitter has since threatened to ban the Tories over their attempts to 'mislead the public'.

And a spokesperson for the Electoral Commission said: "While we do not have a role in regulating election campaign content, we repeat our call to all campaigners to undertake their vital role responsibly and to support campaigning transparency."

The BBC Newsnight presenter took James Cleverly to task over the rogue 'fact checking'.

She said: "You were misleading the public.

"You were trying to coat your propaganda as hardened fact.

(Image: BBC)

"You dressed up party lines as a fact check service: that is dystopian.

"You know that people do not trust you, so you have to put something out and call it a fact check."

Tory Party chairman James Cleverly told BBC2's Newsnight: "The Twitter handle of the CCHQ press office remained @CCHQPress so it's clear the nature of the site.

"The reason we did that is because we were calling out the inaccuracies, the lies that were coming out during the debate. The NHS is not for sale."

He replied "I disagree" when told the party had been misleading the public, and said the change would have been an idea from the party's "digital team".

Asked if he knew about the change, Mr Cleverly said: "The digital team have got a remit, I set that remit, they work within the remit and I'm absolutely comfortable with them calling out when the Labour Party puts what they know to be complete fabrications in the public domain - and we will call that out every time they do it."

(Image: BBC)

Twitter warned that any further attempts to "mislead people" during the UK election will result in action.

"Twitter is committed to facilitating healthy debate throughout the UK general election. We have global rules in place that prohibit behaviour that can mislead people, including those with verified accounts," a spokeswoman said in a statement.

"Any further attempts to mislead people by editing verified profile information - in a manner seen during the UK Election Debate - will result in decisive corrective action."

Meanwhile, Foreign Secretary Dominic Raab accepted the intention was to "fool" people with the Twitter rebrand.

And he suggested the public did not "give a toss" about whether the party tried to mislead them on social media.

Speaking to BBC Breakfast this morning, he tried to justify the deception, saying: "We've had all sorts of nonsense thrown at the Conservatives."

(Image: BBC)

Reacting to Twitter's warning the Tories could face a ban if they don't stop "misleading" the public, he said: "I don't agree. It was pegged to the CCHQ account. "No-one who looked at it for more than a split second would have been fooled.

They would see it's from CCHQ." He added: "I knock on doors every day. I've been through the midlands yesterday, I'm down in Surrey, which is my own seat.

"No-one gives a toss about the social media cut-and-thrust." And responding to fact checking agency Full Fact slamming the move, he told BBC Breakfast:

"Who says Full Fact is the final arbiter of what the public get to see? "There's no god-given right set in law. Doesn't sound to me as though they like the competition."

poll loading Should the Tories be punished for lying on Twitter? 3000+ VOTES SO FAR Yes, it's a disgrace and damages democracy No, it was just a silly stunt

The move was criticised by independent fact-checking charity Full Fact, which tweeted: "It is inappropriate and misleading for the Conservative press office to rename their twitter account 'factcheckUK' during this debate. Please do not mistake it for an independent fact checking service such as @FullFact, @FactCheck or @FactCheckNI".

The @CCHQpress account is verified by Twitter, displaying a blue tick which is intended to denote that a user is genuine.

The Liberal Democrat press office posted an image suggesting they were reporting the account to Twitter for "pretending to be me or someone else".

They tweeted: "And people wonder why trust in politics has been eroded @CCHQPress"

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Labour's David Lammy tweeted: "The Conservative Party press office @CCHQPress rebranding themselves as 'FactCheckUK' shows what disdain this party and this government has for the truth."

"The Electoral Commission must investigate and punish this blatant attempt to decieve the public."

Meanwhile, some other Twitter users also changed their display names to factcheckUK and posted critical comments about Mr Johnson.

Others changed their display name CCHQ Press Office, while Tony Blair's former spokesperson Alastair Campbell changed his display name to Boris Johnson and tweeted: "I won't get Brexit done #FactCheck".

The Twitter display name was changed back to CCHQ Press shortly after the debate ended. The Conservative Party has been contacted for comment.