Boris Johnson is facing a race against time to sell his last-minute deal to MPs before a crunch vote after returning from Brussels in a "very confident" mood.
The Prime Minister said there is a "very good case" for MPs to vote in his favour, in what is expected to be a dramatic and historic House of Commons showdown on Saturday.
But with significant opposition lining up to thwart it, he faces an uphill battle to get the deal through in the extraordinary sitting of Parliament - the first on a weekend since April 1982.
He held a Cabinet meeting this afternoon where he briefed MPs ahead of the Super Saturday showdown.
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