21 May 1976: A civilian was killed when a bomb exploded on a train near Moira, County Down. A warning was given but the bomb detonated before the area could be evacuated. 22 May 1976: An RUC officer was shot dead in an IRA gun attack in Dungannon, County Tyrone. 2 June 1976: Two RUC officers were shot dead in separate IRA attacks in Derry and Belfast. 2 June 1976: A UDA member was shot dead at his home on the Shankill Road in Belfast by an IRA unit. 11 June 1976: Four British bases in Belfast were attacked with mortars and gunfire within minutes of each other. Several British soldiers were hurt and an IRA volunteer was shot. 19 June 1976: A UDA member was shot dead at his home in Dunmurry, County Antrim. 28 June 1976: A British soldier was killed when the landing zone of his helicopter-borne patrol was the subject of an IRA landmine attack near Crossmaglen, County Armagh. 30 June 1976: A British soldier was shot dead in an IRA gun-attack on the Springfield Road in Belfast. 30 June 1976: An IRA volunteer was killed during an attack on a British patrol when a grenade he was handling exploded prematurely. 1 July 1976: A Catholic civilian was shot dead by the IRA in the Finaghy area of Belfast. The IRA claimed he was an informer. 3 July 1976: A British soldier was shot dead by an IRA sniper while manning a checkpoint on Butcher Street in Derry. 6 July 1976: A Catholic civilian was shot dead by the IRA in Hannahstown, Belfast; the IRA claimed he was an informer. 7 July 1976: Two senior RUC officers were seriously injured after an IRA double agent led them to an arms dump outside Portadown. When the officers picked up one of the weapons it triggered a booby trap which detonated. One of the officers lost an arm, a leg and an eye in the explosion. 17 July 1976: Two IRA volunteers died when the bomb they were transporting exploded accidentally near Castlederg, County Tyrone. 18 July 1976: A civilian was killed by a booby-trap bomb planted in the laneway of his home at Drumgole, County Fermanagh. It is believed the bomb was planted by the IRA and was meant for two close relatives who were RUC reserve officers. 21 July 1976: An IRA landmine killed Christopher Ewart-Biggs,