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 and sentenced to a further two years imprisonment for escaping. Twomey evaded recapture until 2 December 1977, when he was spotted sitting in a car in Sandycove by members of the Garda's Special Branch who were investigating an arms shipment after a tip-off from police in Belgium. Twomey drove away after spotting the officers, before being recaptured in the centre of Dublin after a high-speed car chase. He was also imprisoned in Portlaoise Prison until his release in 1982. Mountjoy Prison helicopter escape The Mountjoy Prison helicopter escape occurred on 31 October 1973 when three Provisional Irish Republican Army (IRA)