Tory differences over UK's post-Brexit future spill into the open

The prime minister, Theresa May, has promised to publish a long-awaited Brexit white paper next week, adding it will include Northern Ireland and customs proposals.Theresa May came under pressure to spell out her new “third way” customs proposals on a day when Conservative differences over the country’s post-Brexit future spilled into the open ahead of a crucial cabinet summit.Downing Street indicated it had produced a fresh model for the UK’s post-Brexit trading arrangem