October 1977: Army helicopter came under fire from a concealed IRA sniper as it landed at Jonesborough, County Armagh. Windscreen shattered, no injuries. 6 October 1977: Masked IRA intruders attempting to free republican prisoners were fought off by Gardaí and Irish soldiers at Portlaoise gaol in the Irish Republic. IRA volunteers held up electricity workers laying cable at Crossmaglen on a cross border link. 7 October 1977: A prison officer was shot dead by the IRA in the Wellington Park area of Belfast. 8 October 1977: Chairman of NIPOA (Northern Ireland Prison Officers Association) 40-year-old Desmond Irvine shot dead by the IRA. IRA gunmen opened fire on Forkhill RUC Station in South Armagh. IRA bomb attack on the Royal Victoria Hospital in Belfast. Two women injured. A female UDR soldier was shot dead by the IRA in Tynan, County Armagh. 10 October 1977: Five separate IRA bomb attacks on NI cinemas - The Strand cinema in Belfast, the Tudor cinema in Comber, the Queen's cinema in Bangor, the Regal vinema in Larne and the Regent cinema in Newtownards. 12 October 1977: The IRA shot dead a civilian near Ballygawley, County Tyrone. The victim was mistaken for an off-duty UDR soldier. 14-19 October: Multiple IRA bomb attacks targeting commercial premises in Belfast. 18 October 1977: An ex-RUC officer was shot dead by the IRA near Keady, County Armagh. 19 October 1977: The IRA shot dead a civilian at his home on Ainsworth Pass, Belfast. The motive for the killing remains unclear. IRA bomb attacks on the homes of two prison officers in Belfast. No injuries. 22 October 1977: 15 bombs planted by IRA targeting the NI rail network, stations and trains targeted with widespread disruption. IRA gun attack on policeman in Eglington near Derry as he drove away from his home. He was wounded in the thigh. 24 October 1977: For the second time in a month, Forkhill RUC station came under fire from IRA gunmen. No injuries. 26 October 1977: IRA bomb attack on Greenan Lodge Hotel in Dunmurry, South Belfast. No injuries, but the building was completely destroyed. 1 November 1977: RUC officers came under gunfire as their car exited the M1 motorway at the Kennedy Lane roundabout in Andersontown. No injuries. Multiple bomb alerts in Belfast city centre, both real and hoax. 2 November 1977: IRA bomb attack on Homemaker Discount store on Strand Road, Derry. IRA bomb