the Royal Ulster Constabulary base, Limavady, County Londonderry when a van bomb explosion was detonated. 29 March 1972: A British soldier (Bernard Calladene, aged 39) was killed by an IRA booby-trap bomb hidden inside an abandoned car, Wellington Street, Belfast. 30 March 1972: A Catholic civilian, Martha Crawford (aged 39), was killed in the crossfire of a gun-battle between the IRA and the British Army, Rossnareen Avenue, Andersonstown, Belfast. April 5 April 1972: A soldier crewing a vehicular checkpoint was hit in the arm by an IRA sniper at Abercorn road, Derry. 6 April 1972: A teenager was shot and wounded by IRA gunmen in the protestant area of Tates Avenue. 7 April 1972: An airborne British army patrol was ambushed in County Londonderry, between Creggan estate and the border, by an IRA unit. An hour-long gun battle ensued, with no casualties reported from either side. 7 April 1972: Three IRA volunteers, Samuel Hughes, Charles McCrystal, and John McErlean (all aged 17), were killed in a premature bomb explosion in a garage in Bawnmore Park, Greencastle, Belfast. 8 April 1972: A British soldier (Peter Sime, aged 22) on foot patrol was killed in an IRA sniper attack on the Springfield Road, Belfast. 11 April 1972: An IRA volunteer fired a Thompson sub-machine gun at a passing British army patrol at the junction of Eastway and Lone Moor Road. The patrol returned fire. No injuries were reported. 13 April 1972: The IRA detonated a car-bomb on Main Street, Ballymoney, County Antrim. Despite a warning to evacuate the area, a Protestant civilian, Elizabeth McAuley (aged 64), was killed. 13 April 1972: A car showroom was utterly destroyed in Belfast after a car bomb was driven into the parking area by an IRA volunteer, who gave the alarm. No one was injured by the explosion. 14 April 1972: members of the Provisional IRA destroyed radio equipment used by the Official IRA to broadcast requests for Long Kesh inmates. 17 April 1972: A British Army officer and three soldiers were shot and wounded by an IRA unit at Divis Flats, Belfast. A nine-year-old boy was also injured. 17 April 1972: A 20-year old student teacher (Patrick McGee) was killed by the British Army in the course of an exchange of fire with an IRA unit in Divis Flats. 19 April 1972: An off-duty UDR soldier, James Elliott (aged 36), was abducted and killed by