Boris Johnson said he “strongly disagrees” with the Supreme Court’s judgment that his decision to suspend parliament was unlawful and claimed that the case was part of a plot to frustrate Brexit.

The prime minister said he would “respect” the judges’ ruling but believed those who brought the legal case against the government were “determined” to stop Britain leaving the EU on October 31. The cases were brought by the businesswoman Gina Miller in England and a number of MPs in Scotland headed by the SNP’s Joanna Cherry.

Donald Trump today reiterated his commitment to a trade deal with the UK when it leaves the EU. He met Boris Johnson after addressing the UN General Assembly in New York SAUL LOEB/GETTY

Speaking in New York where he is attending the UN general assembly, Mr Johnson said: “Clearly the claimants in this case are determined to frustrate that and to stop that.



“I think it would be