Five men arrested in Co Derry under terrorism act Five men have been arrested in Co Derry under the terrorism act Rebecca Black, PA Five men have been arrested in Co Derry under the terrorism act. Three men – aged 23, 52 and 62 – are being questioned about the attempted murder of a police officer in Co Derry. A bomb was discovered beside the woman’s car in Dungiven last month. Detective Superintendent Richard Campbell, head of the Terrorism Investigation Unit, said a 52-year-old man is also being questioned as part of Op Ledging, targeting the New IRA’s bomb making activities as well as the group’s storage of explosive devices and equipment.