The unemployed shipyard workers often attacked Protestant workers as they returned home after work. In late November 1921 bombs were thrown into trams carrying shipyard workers in Belfast, killing eight Protestants and wounding nine.Lynch, (2006), pgs 88-89. Loyalist retaliation resulted in fifteen Nationalists killed in one day alone (22 November 1921).Moore, pg 49. St. Matthew's church in the Catholic enclave of Ballymacarrett came under sustained attack and in March 1922, St. Mathews Primary School was subjected to a bombing attack.McDermott, Jim (2001), Northern Divisions: The Old IRA and the Belfast Pogroms 1920-22, BTP Publications, pg 186,
