'Mulligan motion should be withdrawn,' says councillor who brought it Cllr Yvonne Boyle has called on the amendment passed at the Leisure and Development Committee to be withdrawn. Reporter: '); '); An Alliance councillor whose original motion sparked controversy over its subject's history as a slave owner has called for it to be withdrawn ahead of tonight's full council meeting. An amendment to Alderman Yvonne Boyle's proposal at last month's Causeway Coast and Glens Leisure and Development Committee meant the council committed to explore the establishment of a heritage trail to Hercules Mulligan. Mulligan, thought to have been born in Coleraine, was one of the American founding fathers and his character featured in a recent Broadway musical, Hamilton, on the subject.