Theresa May considers calls for vote on future relationship with EU

May is facing a huge challenge to win enough support for her Brexit deal next week. Photograph: Tolga Akmen/AFP/Getty ImagesTheresa May is considering demands from Labour MPs for a parliamentary vote on the UK’s future relationship with the EU as the price for backing her Brexit deal, as she faces an uphill battle to win over Conservative Eurosceptics.The prime minister has been told by Labour MPs that a package of greater guarantees for workers post-Brexit, due to be unveiled on Wednesday