The evacuation plan dates from the Cold War but is being updated amid fears that the Queen’s position is being ‘dangerously politicised’ Tim Graham Picture Library/Getty Images

The Queen and other senior royals will be evacuated from London in the event of riots triggered by a no-deal Brexit, under secret plans being drawn up by Whitehall.

Emergency proposals to rescue the royal family during the Cold War have been “repurposed” in recent weeks, as the risk continues to rise of the UK crashing out of the EU without a deal before next month’s deadline.

The plans, which were originally intended to be put into action in the event of a nuclear attack from the Soviet Union, would see the Queen and the Duke of Edinburgh moved out of London to a secret location, which The Sunday Times has agreed not to disclose.

“These emergency evacuation plans have been in existence since the…