Johnson urges support for Brexit deal before huge vote

LONDON — Boris Johnson worked behind the scenes Friday to win enough support to push his new Brexit deal through the fractious British Parliament and pave the way for Britain — finally — to leave the European Union in two weeks.

His message to allies and opponents alike: Approve the agreement so Britain can put the tortuous, threeyear Brexit saga behind it.

The prime minister returned overnight from the E.U. summit in Brussels, where he sealed the divorce deal, and began a busy day of meetings and phone calls as he attempted to persuade lawmakers to ratify the pact at a rare Saturday sitting of Parliament. He met Friday with his Cabinet ahead of what’s expected to be a knife-edge House of Commons vote on what was being billed by an excited media as Super Saturday.

“I want colleagues on all sides of the House to think about a world tomorrow night in which we’ve got this thing done and we’ve got it over the line,” he told British broadcaster ITV. “Because I think the nation will heave a great sigh of relief because that will be our moment to get on with the priorities of our country.”

Mr. Johnson’s Conservative Party holds only 288 seats in the 650-seat House of Commons, so he will have to rely on support from other parties and independent lawmakers to get over the line.

The vote appeared to be tight, and it could yet be disrupted. While the vote will mark a defining moment, the Brexit saga may have more twists in store.

Many lawmakers want to rule out the possibility that Britain could crash out of the bloc without a deal on the Oct. 31 deadline — a prospect economists say would disrupt trade and plunge the economy into recession. A proposed amendment to Saturday’s vote would withhold approval of the deal until all the necessary legislation to implement it has passed.

One of the lawmakers behind the measure, Oliver Letwin, said it would prevent the U.K. from leaving at the end of the month “by mistake if something goes wrong during the passage of the implementing legislation.”

It’s not certain the amendment will be selected for a vote, or whether it will pass if it is.

Parliament has also passed a law compelling the government to ask the E.U. for a three-month delay to Brexit if a deal is not approved Saturday.

E.U. leaders, who unanimously approved the deal at a meeting in Brussels on Thursday, applied pressure to lawmakers by suggesting there is no guarantee they would grant another delay if the latest deal is rejected.

“I want us to finish this off and speak about the future,” French President Emmanuel Macron said Friday at an E.U. summit in Brussels. “The Oct. 31 date must be respected. I don’t believe new delays should be granted.”

Mr. Johnson’s hopes of getting the deal through Parliament were dealt a blow when his Northern Ireland ally, the Democratic Unionist Party, said it would not back him.

The DUP’s Brexit spokesman, Sammy Wilson, said this Brexit package — which carves out special status for Northern Ireland to keep an open border with E.U. member Ireland — is bad for his region and its bonds with the rest of the U.K.

The deal’s fate could largely rest on a group of 21 Conservative lawmakers expelled from the party’s group in Parliament earlier this year for voting against the government, and on members from the opposition Labour Party, which has 244 lawmakers.

Nicholas Soames, one of the 21 and a grandson of former Prime Minister Winston Churchill, said that he would vote for the deal and that he expects most of his expelled colleagues to do so as well.

Labour leaders have told party lawmakers to oppose the deal. But about 20 of them, mainly representing pro-Brexit parts of the country, have previously indicated a desire to back a deal to honor the referendum result.