The Supreme Court has unanimously ruled that Boris Johnson’s decision to suspend parliament for five weeks was unlawful. The judgment, read out by president of the Supreme Court Lady Hale, concluded that “the prime minister’s advice to Her Majesty [to suspend parliament] was unlawful, void and of no effect.”

The case was referred to the Supreme Court after being heard in the Scottish courts – a similar case brought to court in England did not find the suspension unlawful.

Labour MP Ian Murray, who was amon