Maze Prison escape the prison walls using knotted sheets. A guard was shot and wounded during the escape, and the prisoners were captured after being chased across fields by guards and the police. In March 1997 a tunnel was discovered in H7 at the Maze Prison. The tunnel was fitted with electric lights, and was from the outside wall, having already breached the block's perimeter wall. On 10 December 1997 IRA prisoner Liam Averill, serving a life sentence after being convicted of the murder of two Protestants, escaped from the Maze dressed as a woman. Averill mingled with a group of prisoners' families
Mountjoy Prison helicopter escape thousand members of the Irish Defence Forces and Garda Síochána ensued. Mallon was recaptured at a Gaelic Athletic Association dance in a hotel near Portlaoise on 10 December 1973, and imprisoned in Portlaoise Prison. He escaped from there in a mass break-out on 18 August 1974, when nineteen prisoners escaped after overpowering guards and using gelignite to blast through the gates. He was recaptured in Foxrock in January 1975 and returned to Portlaoise Prison. O'Hagan was recaptured in Dublin in early 1975, and also imprisoned in Portlaoise Prison. After the end of his original twelve-month sentence, he was immediately arrested