these attacks Attack were the first in a year-long campaign by an ira active service unit who became Becoming known as the balcombe street gang UNK who police arrested in december 1975 after the balcombe street siege Besieging leading to their trial and conviction for other murders and offences .

these attacks Attack were the first in a year-long campaign by an ira active service unit who became Becoming known as the balcombe street gang UNK who police arrested in december 1975 after the balcombe street siege Besieging leading to their trial and conviction for other murders and offences .