Campaigners led by Jolyon Maugham QC will argue that the agreement is unlawful
Scotland’s highest court is to hear a fresh challenge from anti-Brexit campaigners as they seek to have Boris Johnson’s agreed deal with the EU declared unlawful, arguing that it contravenes legislation – originally amended by the Brexiter Jacob Rees-Mogg – that prevents Northern Ireland forming part of a separate customs territory.
Jolyon Maugham QC, the director of the Good Law Project, who has spearheaded a series of court challenges to the UK government over Brexit, is seeking an interdict from the court of session in Edinburgh that would in effect suspend the deal, which parliament is due to debate in a historic sitting on Saturday, as well as a court order to ensure that the full, final text is put before MPs if they do vote on the deal as planned.