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Former Irish PM: No-deal Brexit will mean 'psychological and political isolation'

Key Points
  • A U.K. withdrawal from the European bloc without trade agreements in place could endanger the Good Friday agreement, John Bruton, Ireland's former prime minister warns.
  • The 1998 deal implemented a free border between the Republic of Ireland and Northern Ireland but trade barriers will be enforced if Britain leaves the E.U. without a proper framework in place, he said.
  • That "will mean psychological and political isolation," he said.
VIDEO3:4603:46
UK politicians need to put country before party: Former Irish prime minister

Britain exiting the European Union without trade deals in place could see tensions rise between the E.U.'s Republic of Ireland and the U.K.'s Northern Ireland, according to former Irish Prime Minister John Bruton.

"It will put the Good Friday agreement at risk," Bruton told CNBC on Thursday, referring to the 1998 agreement that implemented a free border between the Irish Republic and Northern Ireland.

Under U.K. Prime Minister Theresa May's Brexit agreement, which failed to obtain sufficient parliamentary approval this week, a clause known as the Irish backstop would have ensured an open frontier between those two territories. But since that framework is no longer on the table, customs checks will be implemented between the Irish neighbors when Britain leaves the E.U. on March 29 — unless May and British lawmakers delay that deadline or decide on an alternative withdrawal strategy.

Trade barriers between the Irish Republic and Northern Ireland "will mean psychological and political isolation," warned Bruton, who was the Irish premier from 1994 to 1997, and E.U. ambassador to the United States from 2004 to 2009.

"I think a lot of people in Britain don't understand the importance of maintaining an open border in Ireland," he said. "We've created peace on the basis that the nationalist community of Northern Ireland would not be isolated from the rest of Ireland by there being an open border, and that the unionist community would not be isolated from Britain by there being free exchange between Britain and northern Ireland."

A main road outside Newry, Northern Ireland that shows an old customs and excise station near the border between Northern Ireland and Ireland.
PAUL FAITH/AFP/Getty Images

May, on Tuesday, survived her second leadership vote in as many months and is now back to the drawing board of finding a Brexit deal that will satisfy both lawmakers in Europe and the U.K.

Bruton said May's Conservative government should work with other political parties to examine all possible alternatives. Those could include revisiting the existing deal and exploring the idea of a Norway-style relationship with the E.U, Bruton said. The Scandinavian country isn't an EU member but receives access to most of the bloc's market.

Another option, according to Bruton, could be an arrangement similar to what Canada and the EU have, in which 98 percent of Canadian goods enter the bloc duty-free.

"If none of these command a majority, then the issue of not going ahead with Brexit at all can be put to a vote by the British people — but not before all the other alternatives have been examined, " said Bruton.

However, this process should have occurred two years ago, Bruton added.