London, United Kingdom – Hundreds of thousands of people are expected to go through central London on Saturday to demand a final say on Brexit.
As the impasse over a way forward in Westminster, the original Brexit deadline of March 29 has now been pushed to April 12.
Protesters want the government to put a solution to the deadlock to a second referendum.
Dubbed "Put It To The People", the march will set off at noon (12:00 GMT) and with a rally near the Houses of Parliament at about 2pm (14:00 GMT).
It is organized by the People's Vote campaign, which includes more than 1
Pro-remain MPs from across the political spectrum have confirmed their attendance, while tens of coaches will descend on London from across the country
'Catastrophic Consequences ces'
The last People's vote in October was one of the largest in decades, attracting an estimated 700,000 people.
Among the high-profile figures who announced their participation is London Mayor Sadiq Khan .
"We are now days away from falling off a cliff edge with catastrophic consequences," Khan said. "Time to take this out of the hands of politicians and put it back to the people."
Brexit jargon: From backstop to no deal, 17 key terms explained
"No matter how you voted in the referendum, we can all agree that the path we are being forced to follow is not in the national interest, "he said. About 48 percent voted to remain in the bloc
The vote redefined the country's politics, drawing new fault lines within Britain's two main political parties, Labor and the Conservatives, as well as its people.
Critics of a second referendum say it would be even more divisive than the first.
In a televised speech on Wednesday, Prime Minister Theresa May told the British public: "I am on your side." She reiterated her determination to deliver Brexit and blamed parliament for the deadlock.
Her words sparked a backlash among MPs who have rejected the agreement with the EU twice since January
Petition against Brexit
An online petition to cancel Brexit by revoking Article 50 went viral the following day. By Saturday morning, it had nearly four million signatures.
19659004] The UK will leave on May 22 if the British parliament passes the deal. If it doesn't, it will have until April 12 indicate a way forward, which could include asking for a longer extension and agreeing to hold European Parliament elections.
If the deal was voted down again, the government could hold a series of indicative votes to see where consensus lies in Parliament, and a second referendum could be among the options.
However, Parliament rejected an amendment calling for a second referendum during a series of votes in mid-March.
While the Labor leader Jeremy Corbyn will not take part in the march, the party officially supports a second referendum. The party is mulling over endorsing a plan by two of its backbenchers that would see MPs vote for May's deal on the condition it is then put to public vote.
Recent polls have suggested that there were a second referendum, Britons could vote to remain in the EU
A snap poll this week found nearly two-thirds of respondents would prefer to leave the EU on leaving with May's deal.
Still win but by a smaller margin of 43 percent. Almost half of the respondents said they would support another public vote A few hundred people began the first leg of a 'March to Leave' walk [Christopher Furlong/Getty Images]