According to Jeremy Corbyn, a Brexit would leave the United Kingdom without consent if US President Donald Trump deems it necessary. Labor Party leader accused the prime minister of "clinging to Trump" because "No-deal-Brexit is really a Trump deal-Brexit."
On Monday, Prime Minister Boris Johnson said he was " somewhat optimistic "to conclude a new Brexit deal with the EU.
Mr. Corbyn will meet with other party leaders on Tuesday to discuss his plans to avert a Brexit without agreement.
The Labor leader wants to issue a vote of no confidence against Mr Johnson's government when Parliament returns after his summer break.
He hopes to take Apply as a temporary prime minister for an extension of the EU exit date in the UK on October 31
Asked at the end of the G7 summit in France about the possibility for MPs to frustrate plans to leave the EU at the end of October, Johnson said: "I think it is the job of everyone in Parliament to do so.  "I think that's what people want. Incidentally, by the way, this is what our friends and partners on the other side of the channel want – they want to leave it behind. "
But Mr. Corbyn said he believes the outcome of the EU referendum is abused by those who want a so-called "Banker Brexit."
He wrote in the Independent: "The Tories go with their begging bowl to billionaire hedge funders to raise money for an autumn general election.
"The chaos and uncertainty caused by the Brexit without agreement are a potential gold mine for speculators betting against the pound."
He added, "[No-deal Brexit] will not restore sovereignty, but expose us to the mercy of Trump and the big US corporations that want to put their teeth in our NHS, ring the death penalty for our steel industry and strip ours
The Labor leader also said that the Conservatives are trying to reduce workers 'power, undermine consumer protection, and lower bankers' tax bills and regulations that prevent them from abusing their power.
He said he would "do anything" necessary to prevent a Brexit without agreement and to discuss all options with other party leaders to "stop this catastrophe without agreement".
The SNP, Liberal Democrat, Change UK, Plaid Cymru and the Greens have all agreed to the invitation to meet with Mr Corbyn and discuss his proposals.
Lib Dem leader Jo Swinson said that Mr Corbyn's proposals threatened to call into question a potential vote of no confidence in the government.
In a letter to the Labor Party leader According to James Cleverly, who insisted on being the interim leader, there was a risk that insufficient MPs would support the vote.  Commenting on Mr Corbyn's newspaper article, the Chairman of the Conservative Party said: "The alternative to Brexit is Je remy Corbyn on Downing Street, a man who was the W ruin the economy and destroy our Union, is crime-prone and does not work for Britain.
"All Corbyn deals are chaos, delay and insecurity." He insisted that only Mr. Johnson and the Conservatives can take the lead required to conduct the Brexit until October 31, "in whatever circumstances".