Former DUP leader Peter Robinson (L) claps as the new leader Arlene Foster, Northern Ireland Finance Minister in Belfast speaks after the election contest for leader of the Democratic Unionist Party (DUP) on December 17, 2015. A special electoral college will gather at the hotel, and Foster is the only candidate for the leadership. Foster will replace Peter Robinson following his announcement that he will step down as Northern Ireland's First Minister and as leader of the DUP. AFP PHOTO / PAUL FAITH / AFP / PAUL FAITH (Photo credit should read PAUL FAITH/AFP/Getty Images)

Former DUP leader Peter Robinson (L) claps as the new leader Arlene Foster, Northern Ireland Finance Minister in Belfast speaks after the election contest for leader of the Democratic Unionist Party (DUP) on December 17, 2015. A special electoral college will gather at the hotel, and Foster is the only candidate for the leadership. Foster will replace Peter Robinson following his announcement that he will step down as Northern Ireland's First Minister and as leader of the DUP.
 AFP PHOTO / PAUL FAITH / AFP / PAUL FAITH        (Photo credit should read PAUL FAITH/AFP/Getty Images)