Sinn Fein MP Chris Hazzard has called on the Government to publish what he described as "secret papers that outline the doomsday consequences of a no deal exit from Europe".
Mr Hazzard said that inside sources indicated that the government papers warn that crashing out of the EU without a deal would result in severe food, fuel, and medicine shortages.
“The British Government must allow full public scrutiny of these papers - it is totally unacceptable that they continue to drive us towards the cliff-edge knowing the cataclysmic effects of a no deal exit from Europe," the South Down MP said.
“We already know from previous scenario planning exercises that the north of Ireland will be worse hit in any Brexit scenario; bearing in mind today’s revelations it is absolutely imperative that the British Government also now publish legal texts on their plans to deal with Ireland.
“As we approach the June EU Council meeting in a matter of weeks - the people of Ireland demand legal certainty; we have had enough flights of fancy from the British Government.”
A Department for Exiting the European Union spokesperson told The Independent that such discussions had taken place, but denied that the doomsday scenario would occur.