Northern Ireland Secretary Brandon Lewis said the government "will use Article 16 to move things forward" if they need to, at a Foreign Office press conference on Thursday.
He said the UK and EU will continue to work towards a solution on the Northern Ireland Protocol but that "there are substantive gaps" between the two parties.
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The UK has been battered by Storm Arwen with gusts of wind reaching almost 100 miles an hour in some areas. In Antrim in Northern Ireland one man died after his car was hit by a falling tree. And in Aberdeenshire snow, high winds and heavy rain brought treacherous conditions. Report by Blairm. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn