The Tory youth wing was plunged into chaos last night, after its leader was reportedly suspended and forced to deny ‘assaulting’ an MP’s aide.

The group is a bid to replicate the success of Jeremy Corbyn -backing campaign group Momentum.

But the Mirror understands leader Stephen Canning has been suspended pending an investigation into an incident in a London nightclub, during which it was claimed an MP’s staffer was “struck.”

It comes as party chairman Brandon Lewis renewed calls for parties to sign up to a clean campaigning pledge, promising to suspend anyone accused of intimidating or violent behaviour.

It’s claimed a researcher for an MP had called an ex-girlfriend a “slut” and approached the activist “aggressively waving his bank card and asking him to buy some drinks”, according to the Mail on Sunday.

(Image: Twitter/stephen canning)

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It’s claimed Mr Canning’s hand “made contact” with the ex-boyfriend’s face, but only in self defence.

The alleged incident took place at Maggies, a Margaret Thatcher themed bar in London, three weeks ago.

In a statement, Mr Canning said: “I will not discuss the reports in the Mail, as far as saying the following: I have had no allegations of assault put to me by the Conservative Party.

“I have not been involved in any incidents in nightclubs, bar standing in front of a female activist who felt intimidated by a male.

“I most certainly am not looking to launch or lead any new youth movements, my view remains that is the Party’s role.

“I deny in the strongest possible way anything of this sort ever taking place, and look forward to continuing to serve the Conservatives as a councillor now entering his seventh year."

(Image: Google Maps)

He added: “Frustrated this has come out whilst I’m in Bosnia training a political party on engaging young people and women on behalf of the Conservatives, and will be travelling, so even if I wanted to respond to any of you, I cannot.”

A Conservative spokesman said: “We do not comment on ongoing investigations. We have introduced a new code of conduct that ensures allegations are investigated.”