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(COMBO) This combination of pictures created on June 13, 2017 shows British Prime Minister Theresa May (L) leaving Conservative Party HQ in central London, on June 9, 2017, and Democratic Unionist Party (DUP) leader Arlene Foster arriving to address the media outside Stormont Castle, on the Stormont Estate in Belfast, Northern Ireland, on June 12, 2017. Foster is due to meet May on Tuesday for crunch talks, which could force the delay of the government's presentation of its legislative programme to parliament by Queen Elizabeth II, due on June 19. / AFP PHOTO / Ben STANSALL AND Paul FAITH (Photo credit should read BEN STANSALL,PAUL FAITH/AFP/Getty Images)

(COMBO) This combination of pictures created on June 13, 2017 shows British Prime Minister Theresa May (L) leaving Conservative Party HQ in central London, on June 9, 2017, and Democratic Unionist Party (DUP) leader Arlene Foster arriving to address the media outside Stormont Castle, on the Stormont Estate in Belfast, Northern Ireland, on June 12, 2017. Foster is due to meet May on Tuesday for crunch talks, which could force the delay of the government's presentation of its legislative programme to parliament by Queen Elizabeth II, due on June 19. / AFP PHOTO / Ben STANSALL AND Paul FAITH (Photo credit should read BEN STANSALL,PAUL FAITH/AFP/Getty Images)
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Democratic Unionist Party (DUP) leader Arlene Foster (L), and DUP Deputy Leader Nigel Dodds arrive at 10 Downing Street in central London on June 13, 2017, for a meeting with Britain's Prime Minister and Conservative Party leader Theresa May. British Prime Minister Theresa May on Tuesday was heading into difficult talks with the DUP on securing a working majority after a crushing electoral setback. / AFP PHOTO / Ben STANSALL (Photo credit should read BEN STANSALL/AFP/Getty Images)

Democratic Unionist Party (DUP) leader Arlene Foster (L), and DUP Deputy Leader Nigel Dodds arrive at 10 Downing Street in central London on June 13, 2017, for a meeting with Britain's Prime Minister and Conservative Party leader Theresa May. British Prime Minister Theresa May on Tuesday was heading into difficult talks with the DUP on securing a working majority after a crushing electoral setback. / AFP PHOTO / Ben STANSALL (Photo credit should read BEN STANSALL/AFP/Getty Images)
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Prime Minister Theresa May and Northern Ireland Secretary James Brokenshire meet Democratic Unionist Party leader Arlene Foster during a visit to the Balmoral Show near Lisburn in Northern Ireland where they toured the exhibition stands and met visitors as part of the campaign trail. (Photo by Stefan Rousseau/PA Images via Getty Images)

Prime Minister Theresa May and Northern Ireland Secretary James Brokenshire meet Democratic Unionist Party leader Arlene Foster during a visit to the Balmoral Show near Lisburn in Northern Ireland where they toured the exhibition stands and met visitors as part of the campaign trail. (Photo by Stefan Rousseau/PA Images via Getty Images)
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DUP leader Arlene Foster, with MP's, speaking at the Stormont Hotel in Belfast after Prime Minister Theresa May has announced that she will work with "friends and allies" in the DUP to enable her to lead a government. (Photo by Brian Lawless/PA Images via Getty Images)

DUP leader Arlene Foster, with MP's, speaking at the Stormont Hotel in Belfast after Prime Minister Theresa May has announced that she will work with "friends and allies" in the DUP to enable her to lead a government. (Photo by Brian Lawless/PA Images via Getty Images)
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BELFAST, NORTHERN IRELAND - JUNE 12: DUP leader Arlene Foster stands alongside deputy leader Nigel Dodds as they hold a press conference at Stormont Castle as the Stormont assembly power sharing negotiations reconvene following the general election on June 12, 2017 in Belfast, Northern Ireland. Discussions between the DUP and the Conservative party are also continuing in the wake of the UK general election as Prime Minister Theresa May looks to form a government with the help of the Democratic Unionist parties ten Westminster seats. Stormont and the political situation in Northern Ireland has been in limbo following the collapse of the power sharing executive due to the Renewable Heat Incentive scheme scandal which implicated the DUP. (Photo by Charles McQuillan/Getty Images)

BELFAST, NORTHERN IRELAND - JUNE 12: DUP leader Arlene Foster stands alongside deputy leader Nigel Dodds as they hold a press conference at Stormont Castle as the Stormont assembly power sharing negotiations reconvene following the general election on June 12, 2017 in Belfast, Northern Ireland. Discussions between the DUP and the Conservative party are also continuing in the wake of the UK general election as Prime Minister Theresa May looks to form a government with the help of the Democratic Unionist parties ten Westminster seats. Stormont and the political situation in Northern Ireland has been in limbo following the collapse of the power sharing executive due to the Renewable Heat Incentive scheme scandal which implicated the DUP. (Photo by Charles McQuillan/Getty Images)
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Getty Images News Charles McQuillan