"I have been wondering what a special place in hell looks like for those who promoted Brexit without even a sketch of plan how to carry it out safely."

"We will vote against it if its brought to parliament," Democratic Unionist Party leader Arlene Foster told Ireland's RTE television, in her most direct comments on the issue to date.

The U.K.’s draft Brexit deal attempts to iron out issues around the Irish border, citizens’ rights and the divorce bill that Brits will pay to the European Union.