UK press reports UK said to inform EU it intends to remain in customs union

UK Telegraph reports - link direct to the piece (may be gated):

• Britain will tell EU it is prepared to stay tied to customs union beyond 2021

Britain will tell Brussels it is prepared to stay in the customs union beyond 2021 ... ministers remain deadlocked over a future deal with the EU, the Telegraph has learned

• The Prime Minister's Brexit war Cabinet earlier this week agreed on a new "backstop" as a last resort to avoid a hard Irish border, having rejected earlier proposals from the European Union.
• Ministers signed off the plans on Tuesday

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