Earlier in the day, an amendment, tabled by pro-remain Tory backbencher Dominic Grieve, which would give the Prime Minister three days to come up with a "plan B" if she loses her Brexit deal vote next week, was voted through by MPs - meaning defeat for May's government.
Labour's shadow Brexit secretary Sir Keir Starmer said: "The government's decision to delay the meaningful vote has run down the clock and increased the risk of a no-deal Brexit. I'm sorry but there is a distinction between a motion and an amendment", declared Mr Bercow, at which Mr Francois yelled "ridiculous" and "utter sophistry".
On Wednesday, MPs approved a motion that will force her to return to Parliament with a "Plan B" within three sitting days of Parliament, or Monday.
With time running out for the Prime Minister to shore up support for her controversial exit plan, Government sources told the Press Association that supporting an opposition bid to enshrine European Union standards was being considered.
The visit has prompted speculation Mr Abe has been flown in to bolster worldwide support for the prime minister's Brexit agreement.
Mrs May then successfully fended off a leadership challenge from her own party, but appears to have swayed few minds on her Brexit deal which is still widely expected to be rejected.
Japan is the UK's second-largest source of non-EU foreign direct investment and Britain's largest export market outside the EU, US and China.
The "backstop" is a fallback option to avoid a hard border between the two if a trade deal is not agreed at the end of the transition period (December 31, 2020).
The Government would remain under an worldwide obligation to keep the border open, and it is understood ministers would be expected to seek alternative arrangements, possibly involving the use of new technology, within the 12-month deadline.
Labour said it would try to trigger an election by calling for a no-confidence vote in the government if May's deal is defeated next week.
Wednesday´s amendment, which passed by 308 votes to 297, has more weight.
It took place at the start of five days of debate in the Commons after she dramatically pulled a vote last month following a warning by the whips that she was facing certain defeat.
After heckles from the Tory benches, he added: "I'm trying to do the right thing and make the right judgments".
"I would suggest to some of my honourable friends - the ones that are getting somewhat overexcited - that perhaps they should don a yellow jacket and go outside", he said.
With the likelihood of a no-deal Brexit rising, the European Union is looking at how Brexit might be postponed, and pro-EU campaigners are testing ways Britain could hold another referendum after voters narrowly backed leaving in 2016.
"There is a question of extension of Article 50 and that may well be inevitable now given the position that we are in, but of course we can only seek it because the other 27 (member states) have to agree", he said.
However, Mr Bercow insisted that he had made an "honest judgement" in his decision to allow a vote on the amendment, and argued that "if we were only ever guided by precedent, nothing would ever change".
"When I became an MP three years ago I was determined that I would not become part of the establishment".
"If the government can not pass its most important legislation, then there must be a general election at the earliest opportunity", he will say.
"I just invite you to reflect on the conclusion that many of us will have inevitably have come to".
Tensions rose even further when Andrea Leadsom, the Commons Leader, who has clashed with the Chair before, asked him to publish the advice of the Commons Clerk.
Mr Bercow confirmed he consulted the clerk and officials, saying the advice was given to him "privately and that's absolutely proper".
UK Brexit minister Martin Callanan ruled out that prospect and said May would update MPs on Wednesday about the assurances over the backstop she is seeking from the EU.
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