Gerry Adams speaks of brother's abuse of his niece, Áine Adams
2 October 2013 Last updated at 18:59 BST
The Sinn Féin President Gerry Adams has spoken about the child abuse suffered by his niece Áine, who was sexually assaulted by her father Liam Adams.
Liam Adams was convicted on Tuesday of abusing his daughter over a six-year period. It began when she was four.
Speaking in Dublin, Gerry Adams was asked a number of times why he did not report his brother to the authorities.
Conor Macauley reports.