High Quality Content by WIKIPEDIA articles! The 1987 Zaragoza barracks bombing was a car bomb attack by the Basque separatist organisation ETA, which occurred on 11 December 1987. A vehicle containing 250 kilograms of ammonal was parked beside the main Guardia Civil barracks in the city of Zaragoza, Spain; its subsequent explosion caused the deaths of 11 people, including 5 children. A total of 88 people were injured, the majority of them civilians.