Suspension Of UK Parliament Ruled Unlawful

Scotland's highest court of appeal has ruled that British Prime Minister Boris Johnson's decision to suspend parliament for five weeks is unlawful, the lawmaker who led the challenge says.

"Huge thanks to all our supporters & our fantastic legal team who have achieved the historic ruling that #prorogation is #unlawful," Scottish National Party lawmaker Joanna Cherry said on Twitter on Wednesday.

British Prime Minister Boris Johnson speaks to the media ahead of his meeting with Irish Taoiseach Leo Varadkar at Government Buildings. Photo: Getty

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Jo Maugham, a lawyer involved in the case, said an appeal to the Supreme Court, the highest judicial body in the United Kingdom, would begin on Tuesday.