Withdrawal from the European Union
The PM will ask EU for long Article 50 extension if the deal is not passed this week.
Everything you need to know.
"It would be quite wrong that we should be trapped in the EU but with no say."
Delay to UK's exit now "rational solution", suggests Donald Tusk.
Previous rebels could now move to block no-deal after silence from government.
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Labour throw weight behind key Cooper-Boles amendment ahead of crunch vote.
But Article 50 may not need to be extended, cabinet minister insists.