A new report has warned of “widespread, damaging and pervasive” consequences for the UK if there is no agreement on a Brexit trade deal.
The second round of Brexit negotiations between the UK and the European Union will wrap up in Brussels this afternoon.
The Irish border, citizens' rights and the so-called Brexit "divorce bill" have been the focus of discussions this week.
The UK in a Changing Europe report has warned that if a trade deal can't be reached it could result in British airlines being unable to fly, nuclear power stations stopping operations and "legal limbo" for millions of EU citizens in the UK.
The report also noted that there would be "serious political and economic implications" for Northern Ireland – with one major concern the agricultural sector.
A 'no-deal' withdrawal could also trigger a "significant" fall in the value of the pound, a fall in wages and a decline in business confidence and investment.
The Minister for Foreign Affairs Simon Coveney is in London today, to hear from British business leaders about their response to leaving the EU.
A department spokesperson said he will use his meetings in London to stress the importance of preventing a return of a hard border, and protecting the gains of the peace process.
