London High Court will decide EU exit case 'as quickly as possible'

By Michael Holden LONDON (Reuters) - London's High Court said on Tuesday it would rule "as quickly as possible" on whether British lawmakers, and not the government alone, must trigger the formal process of leaving the European Union, in a case closely watched by politicians and markets. Campaigners have taken legal action to argue Prime Minister Theresa May and her ministers do not have the authority to invoke Article 50 of the EU Lisbon Treaty, the mechanism by which a nation can leave the blo