R (Miller) v Prime Minister; Cherry v Advocate General for Scotland [2020] AC 373

“The case was concerned with the lawfulness of the advice given by the Prime Minister, Boris Johnson, to Her Majesty the Queen in late August 2019, to prorogue Parliament for a period of five weeks. As is obvious, it did not in fact relate to a criminal cause or matter. It did, however, prompt the Supreme Court to consider the extent to which the courts should be prepared to rule upon disputes regarding the conduct of politicians and issues of political controversy, a problem which has often taxed the courts in criminal appeals ...”

ADDED Monday 17th May 2021