Dominic Grieve has said the government needs to be “honest and upfront” about the outcomes of a no-deal Brexit, after an official dossier emerged warning of medical shortages and civil unrest.
The Operation Yellowhammer papers have been called “reasonable worst case planning assessments” by the government but the opposition says they outline the “base case” scenario.
Mr Grieve, who was sacked by the Prime Minister last week after voting against the government, told Julia Hartley-Brewer that a no-deal Brexit would “affect people’s quality of life”.
“It’s unprecedented in peacetime for a government to inflict this kind of thing deliberately on its own citizens," he added.
“It may be something which happens if you have a hurricane or a storm, but it’s not something which you go around and do to yourself."
The release of Yellowhammer coincides with a ruling in a Scottish court that Boris Johnson’s suspension of Parliament was “unlawful”.
Number 10 said the temporary shutdown, known as prorogation, was necessary in order to have a Queen’s Speech.
But Mr Grieve, who is a former Attorney General, said the ruling showed that Downing Street shut down Parliament in order to “prevent it from asking awkward questions of the government at a period of national crisis”.
Mr Grieve, who was one of 21 rebels kicked out of the Conservative Party, said he would be "delighted" if the party decided to "heal its wounds".
However, he said he had not had any contact from party officials, and claimed reparations would be "pointless" unless they could agree on a policy position.