Parliament must vote before UK can trigger Brexit, top court rules

By Michael Holden and Estelle Shirbon LONDON (Reuters) - Prime Minister Theresa May must give parliament a vote before she can formally start Britain's exit from the European Union, the UK Supreme Court ruled on Tuesday, giving lawmakers who oppose her Brexit plans a shot at amending them. By a majority of eight to three, the UK's highest judicial body decided May could not use executive powers known as "royal prerogative" to invoke Article 50 of the EU's Lisbon Treaty and so begin two years of