Westminster, London, March 27th 2017. Ahead of the Prime Minister triggering Article 50 next week, UKIP Leader Paul Nuttall sets out six key tests by which the country can judge Theresa May's Brexit negotiations in a keynote speech in London. CREDIT: ©Paul Davey<br /> <br /> ©Paul Davey<br /> FOR LICENCING CONTACT: Paul Davey +44 (0) 7966 016 296 paul@pauldaveycreative.co.uk