HANDOUT PHOTO - FREE TO USE: Northern Ireland's First Minster Arlene Foster pictured at Riddel Hall, Queen’s University Belfast, where she delivered the fourth annual Harri Holkeri Lecture on the subject of Women, Leadership and Peace-building. The Harri Holkeri lecture series was established in 2013 to celebrate the late Finnish Prime Minister Harri Holkeri’s contribution to the Northern Ireland peace process, and is organised by Queen’s Institute for the Study of Conflict Transformation and Social Justice.. Photo/Paul McErlane