It would make support for the deal conditional on the legislation to implement it being passed by Parliament, something that could take several days or weeks. "I will continue to do all I can to get Brexit done on October 31 and I continue to commend this excellent deal", he said.
Johnson could also face opposition from eurosceptics who fear his deal will not fulfil their dreams of abolishing decades of European Union rules and regulations from British life.
Securing the deal at Thursday's European Union summit was a personal victory for Johnson, a figurehead in the 2016 Leave campaign who has vowed to deliver Brexit on October 31 come what may.
He says he'll introduce legislation to leave at the end of the month, giving MPs a choice of his deal or no deal.
His predecessor, Theresa May, failed on three occasions to get her deal passed by Parliament. She resigned in frustration after lawmakers repeatedly threw out her Brexit agreement.
Rejecting the deal would create an "extremely complicated situation", he added.
One of the lawmakers behind the measure, Oliver Letwin, said it would prevent the United Kingdom from leaving at the end of the month "by mistake, if something goes wrong during the passage of the implementing legislation". She said "people want certainty in their lives".
Brexit "Super Saturday" tops a frenetic week which saw Johnson confound his opponents by clinching a new Brexit deal.
Nick Jonas: Priyanka is incredible in every way
Posting her selfie with her friends, the Sky is Pink actress wrote, "Me and my friends (laughing crying emoji) #karvachauth2019". From Priyanka Chopra to Nusrat Jahan and Rohit Sharma, stars set Instagram ablaze with high-on-love posts for their special one.
In one side street, a group of demonstrators with bells strapped to their legs and wielding sticks performed a traditional English morris dance and chanted: "Morris, not Boris!" to cheers from onlookers.
Elsewhere, the mood was less cheerful.
Mr Rees-Mogg's decision to ask for a re-run under Section 13 1 (b) of the EU Withdrawal.
That would be a major setback that would leave Brexit, yet again, up in the air as hundreds of thousands of protesters rally outside the 800-year-old parliament in central London to demand another referendum.
Many carried signs calling for a halt to the Brexit process that started with a 2016 referendum in which British voters narrowly backed taking Britain out of the 28-nation bloc.
Bruce Nicole, an Anglican vicar from Camberley southwest of London, said the Brexit deal would harm Britain.
Brussels urged Britain to explain its plan as soon as possible, while French President Emmanuel Macron's office said a new delay to Brexit was "in nobody's interest".
The latest delay was welcome news for those who poured into London to call for a new nationwide vote on the deal. "I think it still keeps us too closely aligned, I'd prefer to just leave and then negotiate a trade agreement".
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For me, it's thinking of those people and how appreciative I am of them - my family, my kids, my wife, my teammates, my coaches. The news meant the Patriots will add a veteran piece to their offense, which has been hit by a rash of injuries.
He also warns it would hurt British manufacturing.
Alastair Campbell, a former journalist and adviser for the Labour Party, told Saturday Morning that there's no Brexit deal that doesn't damage the country.
"Alas, the opportunity to have a meaningful vote has effectively been passed up because the meaningful vote has been voided of meaning".
The Government chose to boycott Saturday's Meaningful Vote on the terms of the UK's exit from the European Union after Mr Johnson's erstwhile allies in the DUP joined the other opposition parties in voting for the Letwin amendment.
Even if he is given an extension he doesn't want by the EU, Johnson could still take the country out of the bloc on October 31 because the law allows him to if he can get all the legislation approved by that date.
The vote is due later Saturday.
In Parliament before the vote, Johnson implored legislators to ratify the deal he struck this week with the bloc's 27 other leaders.
The Conservative Party confirmed the PM's stance in a tweet. The vote also shows that Johnson lacks the votes he needs for a majority, however there may be some who will support his deal but wanted to take a no-deal Brexit off the table first.
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Lam has cited Chan's case as one of the main reasons that she wanted to close the loophole with proposed extradition amendments. Secretary for Transport and Housing, Frank Chan, said on Friday it would be weeks before the metro operated fully.