Elections – Referendums. The claimants were refused permission to seek judicial review of the respondent Prime Minister's notification to the EU of the UK's intention to withdraw. The Court of Appeal, Civil Division, rejected arguments that the decision to notify and the notification itself had been unlawful because they had been based upon the result of a referendum that had been unlawful as a result of corrupt and illegal practices, and that the Prime Minister had erred in law in not responding to the subsequent evidence of those practices as it had emerged.