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An undercover reporter for the Daily Mail has revealed the group are reportedly set to block more major roads via a series of sit-down-protests on Wednesday (13 October).
The newspaper reports that Extinction Rebellion (XR) veteran David McKenny told a meeting of activists on Friday (8 October): "There's going to be an action on Wednesday and then there's going to be a press release that goes out that says the Government and police are traitors, absolute traitors.
"You have got ten days to make a meaningful statement on it. If not, we are going to come back and unleash hell.
"We've essentially split the opposition, because the police, the Government and the CPS are all fighting each other.
"We can't underestimate [sic] the disharmony within the corridors of power."
Last night, a group spokesman told Daily Mail: "Insulate Britain is open to anyone who wants to stop the biggest crime in British history.
"Boris Johnson is currently in the process of destroying our country and our young people's future. He should be taken to court for treason."
Johnson has threatened to impose bigger fines along with potential jail time to those taking part.
The Prime Minister told LBC: "There are some people who call those individuals legitimate protesters.
"They are not.
"I think they are irresponsible crusties who are basically trying to stop people going about their day's work and doing considerable damage to the economy.
"That is why we have taken the powers and why Priti Patel is doing the right thing to bring in powers so they can get six months or an unlimited fine."
Home secretary Priti Patel said: "It is because of our commitment to putting the needs of the hard-working, often silent, majority first that I will not tolerate so called eco-warriors trampling over our way of life and draining police resources.
"Their actions over recent weeks have amounted to some of the most self-defeating 'environmental' protests this country has ever seen.
"Freedom to protest is a fundamental right our party will forever fight to uphold.
"But it must be within the law."
LADbible has contacted Insulate Britain for a comment.
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