Supreme court rules parliament must have vote to trigger article 50

Justices rule by eight to three against government over EU exit, but ministers do not need devolved assemblies’ consentFollow all the reaction to the judges’ ruling on our live blogThe government has lost its fast-tracked appeal to the supreme court, forcing ministers to introduce emergency legislation into parliament to authorise the UK’s departure from the EU.In a judgment that sets a far-reaching constitutional precedent and upholds parliamentary sovereignty, the court ruled