Writings on walls in Northern Ireland are eerie reminders of violent past

The European Union is suing the United Kingdom for delaying the next phase of Brexit border controls which effectively put a customs border down the Irish Sea, saying they've broken international law. In Northern Ireland, the impact of this new border is already being felt by some businesses and by Unionists who are getting increasingly angry. CNN's Nic Robertson reports from Belfast, Northern Ireland.

Writings on walls in Northern Ireland are eerie reminders of violent past
The European Union is suing the United Kingdom for delaying the next phase of Brexit border controls which effectively put a customs border down the Irish Sea, saying they've broken international law. In Northern Ireland, the impact of this new border is already being felt by some businesses and by Unionists who are getting increasingly angry. CNN's Nic Robertson reports from Belfast, Northern Ireland.