1975 was one of the worst years of " The Troubles " for attacks with civilian casualties with Loyalist paramilitaries carrying out attacks including the Strand Bar Bombing , the Miami Showband killings and the attacks at Donnellys bar and Kays tavern . And Republican paramilitaries carrying out attacks including the Mountainview Tavern attack , the Bayardo Bar and the Tullyvallen Orange Hall massacre . All of these attacks saw high numbers of civilian deaths and injuries . On 15 December 1975 the Ulster Volunteer Force ( UVF ) killed Ronald Tranior a 17-year-old member of the IRSP after a bomb attack on his house in Ballyoran Park in Portadown
Miami Showband killings
Miami Showband killings
Central Bar bombing