LONDON, ENGLAND - JUNE 26: Britain's Prime Minister, Theresa May prepares to greet Arlene Foster, the leader of Northern Ireland's Democratic Unionist Party, deputy leader of the Democratic Unionist Party, Nigel Dodds and DUP MP Jeffrey Donaldson as they arrive in Downing Street on June 26, 2017 in London, England. Mrs Foster has said a deal between her party and the Conservatives to support a minority government is close.  (Photo by Carl Court/Getty Images)