at an RUC base in Castlewellan, County Down, exploded accidentally. 27 January 1972: An IRA unit fought a 4-hour gun battle with a British Army detachment at Dungooley, County Armagh. The British Army alone fired over 4,500 rounds while the IRA returned fire with assault rifles and an anti-tank gun. There were no casualties in the battle with the exception of a pig which was caught in the crossfire. Eight IRA volunteers were arrested south of the border but were eventually acquitted. 27 January 1972: Two RUC officers, Peter Gilgunn (aged 26) and David Montgomery (aged 20), were killed when their patrol vehicle was hit by IRA gunfire in Creggan, Derry. 28 January 1972: An off-duty RUC officer (Raymond Carroll, aged 22) was shot dead in an IRA gun attack at a garage, Oldpark Road, Belfast. 30 January 1972: A British soldier, Robin Alers-Hankey (aged 35), died four months after being injured in an IRA sniper attack in the Bogside, Derry. February 1 February 1972: A British soldier, Ian Bramley (aged 25), was shot dead by an IRA sniper while leaving Hastings Street Royal Ulster Constabulary (RUC)/British Army (BA) base, Lower Falls, Belfast. 2 February 1972: A bomb exploded at the Catholic-owned Imperial Bar in Stewartstown, County Tyrone. The pub was officially closed in mourning for those who died on Bloody Sunday, but some customers had gone in through the back door for a drink. One Catholic civilian, Louis O'Neill (aged 49), was killed. There was initial newspaper speculation that the IRA had bombed the bar because it had not closed fully, and the Sutton database lists the IRA as responsible. However, some believe loyalists were responsible for the attack. 5 February 1972: Paul McFadden (aged 31), a Catholic civilian, died six days after being injured in a van bomb explosion at Castle Arcade, off Castle Lane, Belfast. 5 February 1972: Two IRA volunteers (Phelim Grant and Charles McCann) were killed when a bomb they were transporting exploded accidentally on a barge near Crumlin, Lough Neagh, County Antrim. 10 February 1972: An IRA volunteer (Joseph Cunningham, aged 26) was killed in a gun battle with the RUC at O'Neill's Road, Newtownabbey, County Antrim. 10 February 1972: Two British soldiers, Ian Harris (aged 26) and David Champ (aged 23), were killed in an IRA landmine attack on their Armoured Personnel Carrier in Cullyhanna, County Armagh. 13 February 1972: An off-duty British