Cameron Says Supporters of EU Exit Are Being ‘Extremely Vague’

David Cameronnn, U.K. prime minister, speaks during a news conference following a meeting of European Union (EU) leaders in Brussels, Belgium, on Friday, Feb. 19. 2016. European Union leaders reached a deal aimed at keeping the U.K. in the bloc, allowing Cameron to call a referendum on EU membership as soon as June. Photographer: Jasper Juinen/Bloomberg

Those in favor of the U.K. leaving the European Union are “extremely vague” when asked to set out a vision of life outside the bloc, Prime Minister David Cameron has said.

Writing in the Sunday Telegraph, Cameron challenged supporters of an EU exit to set out what the U.K.’s trading relationship would look like after a possible victory in the June 23 referendum. He also asked them how long the economy would face uncertainty while new terms were being negotiated, how joint-security arrangements would be replaced and how Britain’s role and influence in the world would be maintained.

“It’s simply not good enough to assert everything will be all right when jobs and our country’s future are at stake,” Cameron wrote. “With so many gaps in the ‘out’ case, the decision is clearly one between the great unknown and a greater Britain. A vote to leave is the gamble of the century.”

He said the “the only certainty of exit is uncertainty” and set out the risks the U.K. would face in the months and years after leaving the EU.

He said there would be “risk to our economy, because the dislocation could put pressure on the pound, on interest rates and on growth.” He also cited risk to cooperation on crime and security matters and risk to the U.K.’s reputation as a strong country at the heart of the world’s most important institutions.

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