The headline, written by James Slack and approved by editor Paul Dacre, was in response to the ruling of the High Court of England and Wales in the "Miller" case that the government would need to gain the consent of Parliament before it could trigger Article 50 and exit the European Union (EU). The government had intended to use the royal prerogative to invoke Article 50, after a referendum in June 2016 had resulted in a 52%–48% majority vote to leave.