The controversial counter-proposal to Boris Johnson’s deal would see the Irish backstop scrapped while removing a customs border in the Irish sea and keeping the border open.

“Would I rather accept a new European treaty that is frankly very bad for us? Or would I prefer for us to have an extension and a general election? I would always prefer the latter option.”

Such a move could win favour from the Liberal Democrats, the SNP and a handful of the 21 Tory rebels who lost the whip over supporting the Benn act.

“If the Government is so confident they’ve secured a good Brexit deal then they shouldn't shy away from putting it to the people.”

Extinction Rebellion co-founder Clare Farrell defended the Tube action and said: “The public, I don’t think, realise quite how serious this situation is.”

Arlene Foster and Nigel Dodds have highlighted three major obstacles, dealing a blow to Boris as the EU summit kicks off.

We are stuck in a fossil-fuel economy and without systemic change, our lifestyles will keep on causing climate and ecological harm.

The Prime Minister emphatically told a DUP conference that “no British Tory government could accept customs controls between Great Britain and Northern Ireland".

The arrangement was rejected by Theresa May as a deal that no British prime minister could ever accept.