Jo had previously resigned from his position as a minister in the cabinet of his brother's predecessor Theresa May, where he served as a transport minister.
"Boris Johnson WILL resign rather than go to Brussels for an extension".
Shadow education secretary Angela Rayner said: "Boris Johnson poses such a threat that even his own brother doesn't trust him".
"... And to assure that the United States supports the United Kingdom's decision to leave the European Union, but he (President Trump) also wanted me to convey that the United States is ready, willing and able to immediately negotiate a free trade agreement with the U.K.", Pence told Prime Minister Johnson.
On Wednesday, MPs blocked Mr Johnson's plan for an early election.
United Kingdom lawmakers reject early general election
During a passionate speech in the House of Commons the Labour MP Jess Phillips branded Boris Johnson a "bully boy" . Shadow chancellor John McDonnell said Labour wanted an election but its priority was stopping a no-deal Brexit .
Johnson, the face of the 2016 Vote Leave campaign, has pushed for an election on October 15, two weeks before the United Kingdom is due to leave the European Union, though opposition parties are debating which date they would accept.
He said that he had been struggling with "unresolvable tension" between "family loyalty and the national interest" in recent weeks - and that it had become too great for him to continue as an MP and minister.
After wresting control of the lower house of parliament on Wednesday, an alliance of opposition parties and rebels expelled from Johnson's Conservative party voted to force him to seek a three-month delay to Brexit rather than leaving without a deal on October 31, the date now set in law.
Johnson says he doesn't want an election amid the Brexit crisis and issued a rallying cry to lawmakers to back him in securing a Brexit deal.
Michael Gove, senior government minister, confirmed to MPs that the government would comply with the bill's central requirement to request an extension of Article 50 until January 31 at a European Council summit in Brussels on 17 October.
Brick of cocaine found on Melbourne beach
It moving faster at 6 miles per hour , and is predicted to speed up as it moves toward the northwest or north-northwest tonight. The storm left more than 1,600 customers without power in Brevard County and Cocoa Beach Wednesday morning.
It comes as the government says a bill to prevent a no-deal Brexit will complete its passage through the Lords on Friday. His office said he would argue in a speech later that politicians must "go back to the people and give them the opportunity to decide what they want".
He called the refusal by Labour Party leader Jeremy Corbyn to endorse an election a "cowardly insult to democracy".
Meanwhile, Johnson was facing continued criticism after Tory MPs - including two former chancellors and the grandson of Winston Churchill - had the party whip withdrawn because they rebelled by helping the effort to prevent a no-deal.
Cabinet ministers reportedly raised concerns with Mr Johnson, and the One Nation group of Conservatives called for the 21 to be reinstated.
Brexit Party leader Nigel Farage tweeted: "The centre of gravity in the Conservative Party is shifting rapidly".
UK's Farage offers political alliance to Prime Minister Johnson
Mr Farage said Mr Baker's plea to the Prime Minister was "a positive step in the right direction to deliver a clean break Brexit".
The Prime Minister has repeatedly claimed progress is being made and told MPs on Tuesday that "in the last few weeks, I believe the chances of a deal have risen".