The British Prime Minister has refused to confirm if she would resign if the UK failed to get a Brexit deal.

Speaking to the BBC this morning, Theresa May also insisted her government is united over the approach to negotiations, saying her Foreign Secretary Boris Johnson backs her plans.

But she's also admitted the Government's working on a plan for if a deal with Brussels can't be reached before the UK leaves the EU.

That's despite Foreign Secretary Boris Johnson laying out four demands for the UK's exit.

Speaking on 'On The Record' on Newstalk, Professor Vincent Wade from Trinity College says there are concerns over the impact for business and education here: