NIGEL Farage has urged Boris Johnson to “drop the deal” with the EU and form a “Leave alliance” or the Brexit Party would fight every seat in Scotland, England and Wales.

The ultimatum came as Mr Farage launched his party’s election campaign in Westminster.

Insisting the Prime Minister's deal did not represent Brexit, he said that if the Tories did not agree to an alliance and abandon the UK-EU agreement, then he would make sure every household in the country was made aware it was a "sell-out" of Brexit.

The party leader made clear if Mr Johnson did not agree to his terms, then: "We will contest every single seat in England, Scotland and Wales. I say to Boris Johnson: drop the deal."

Mr Farage went on: "Of course, I'm open and flexible to local exceptions and already we are in communication with a number of MPs who are prepared to renounce the Withdrawal Agreement, to renounce the deal, and they themselves to stand on a ticket of a genuine free trade agreement or leave on WTO terms.

"And, of course, in those cases where MPs say this, we will view them as our friends and not as our enemies.

"But that is not the real deal. The real deal is a Leave alliance that wins a big majority in Parliament. The real deal is a Leave alliance that delivers a genuine Brexit."

But James Cleverley, the Conservative Chairman, referred to a tweet, which suggested Mr Farage had admitted the risk of a split to the Leave vote was very real.

“A vote for Farage risks letting Jeremy Corbyn into Downing Street via the back door,” declared Mr Cleverley. “And the country spending 2020 having two referendums on Brexit and Scottish independence.”

He added: “It will not get Brexit done and it will create another gridlocked Parliament that doesn’t work.”

The comments came after Donald Trump appeared to call for an electoral pact between Mr Farage and Mr Johnson, saying the pair could become an "unstoppable force".

A No 10 spokesman said the PM had not spoken to the US President about his Brexit deal which was "agreed after they were last in touch".

He added: "The PM's deal takes back control of our money, laws and border and allows us to do trade deals with any country we chose, including the US."