“I pay tribute to the MPs and Peers, led by parliamentarians from Scotland, who brought this action to assert their right to hold the UK Government to account.
“The impact of leaving the EU, and particularly leaving without a deal, will be grave, profound and damaging.
“Attempting to deprive the Westminster Parliament of the opportunity to scrutinise the UK government’s plans, and preventing it from being able to legislate in respect of the UK government’s plans, is undemocratic and unconstitutional.
“All MPs and all citizens, regardless of their position on leaving the EU, should be alarmed by the prime minister’s plan to avoid debate and prevent the legislative action necessary to avert a catastrophic no deal exit.”