Johnson's office declined to have him appear at an open-air news conference after his meeting with Bettel, citing the presence of a small but audible group of anti-Brexit protesters, a lot of them expatriate Britons, who were clustered behind metal barricades some distance away.
"This is why the PM will stress to Mr Juncker that, while he wants to secure a deal, if no deal can be agreed by October 18 his policy is to leave without a deal on October 31 - and reject any delay offered by the European Union", the source said.
Explaining his absence, Mr Johnson said the press conference was cancelled over fears they would have been "drowned out" by pro-EU protesters. Yes, we've got a good chance of a deal.
Scottish Liberal Democrat MEP Sheila Ritchie said there was support within the Renew group, which includes the Lib Dems and Mr Macron's En Marche party, for an extension to the Article 50 period until the end of the of the new European Parliament mandate in 2024.
"The precedent Mr Johnson will set - if this is allowed to stand - is terrifying: any prime minister trying to push through a policy that is unpopular in the House and in the country at large would from now on simply be able to resort to prorogation".
Johnson and Juncker dined on soft-boiled organic eggs and butter-roasted pollock with risotto.
"We've got to get a clear resolution so that businesses can plan", Glen said.
"Our requirements are very clear: we want to remove the anti-democratic backstop and we want to be able to transition our future relationship to a best in class free trade agreement", Raab said, adding that the United Kingdom hopes to sign off on a new deal during the European Summit in mid-October. We need written proposals and the time is ticking.
The European side - including the European Commission president - is much more cautious, noting the huge political challenges facing Mr Johnson.
Mark Ruffalo Calls Out Boris Johnson For Brexit Hulk Comparison
He also mocked Mr. Johnson's comparison to Hulk and lashed out at the British Prime Minister, and other Brexit supporters, for lying during the 2016 referendum campaign.
Boris Johnson! Well, here's one new term you probably don't need explaining: The Hulk.
But a law passed by the British Parliament mandates that he request a delay until at least January 31 if no transition deal has been agreed before mid-October.
The Commission, he said, "will remain available to work 24/7" and the October European Council will be an "important milestone in the process". A spokesman for 10 Downing Street said that when British officials sought to move the news conference indoors, the Luxembourgish side said no.
Just before the suspension, Parliament passed a law that orders the government to seek a three-month delay to Brexit if no agreement has been reached by late October.
"I think the precise implications of the legislation need to be looked at very carefully", he told the BBC.
"President Juncker underlined the Commission's continued willingness and openness to examine whether such proposals meet the objectives of the backstop".
If the Supreme Court overturns the suspension, lawmakers could be called back to Parliament as early as next week. The Supreme Court in London will hear the combined cases on Tuesday.
Mr Johnson denied that the UK's attempts at negotiations were a sham and said there is still "hard work to be done" in securing a fresh deal.
The talks are stuck on how to keep the border open between Ireland, which is staying in the European Union, and Northern Ireland, which would leave along with the rest of the United Kingdom.
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