TO GO WITH DAVID BOND SECURITY STORY: The slogan 'IRA here to stay!' daubed in 5ft letters across a stretch of the 400-year-old stone walls that overlooks the Bogside which appeared just weeks after a group claiming to be the IRA detonated a car bomb in nearby Bishop Street in Londonderry/Derry, 25th Feb, 2019. Photo/Paul McErlane