Brexit: May has ruled out Corbyn's customs union plan ??? No 10

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Commons statement on Brexit progress brought forward to Tuesday to give MPs extra day to draft amendments

Theresa May
Theresa May responded on Sunday to Jeremy Corbyn???s letter that set out Labour???s conditions for backing any Brexit deal, including membership of a customs union. Photograph: Dominic Lipinski/PA

Theresa May is to update MPs on her Brexit progress on Tuesday, a day earlier than previously announced, No 10 has said, while stressing the prime minister had completely ruled out Jeremy Corbyn???s proposal of a departure deal involving customs union membership.

???We are absolutely clear on this: we???re not considering Jeremy Corbyn???s customs proposals; we???re not considering any proposals to remain in the customs union. We must have our own, independent trade policy,??? May???s spokesman said.

On Sunday, May responded to Corbyn???s letter, from last week, that set out Labour???s conditions for backing any Brexit deal, one of which was membership of a permanent customs union.

While the prime minister made it plain she did not want this, several newspapers on Monday said May had held open the door to the issue, and thus the idea of a softer Brexit.

Speaking earlier on Monday, the prisons minister, Rory Stewart, insisted May opposed Labour???s customs union idea, but said there was nonetheless ???a lot of common ground??? between the parties.

May???s spokesman set out the timetable for the latest Brexit updates. The prime minister will make a Commons statement on Tuesday, before MPs debate an amendable motion on Thursday, allowing them to try and shape the proces