Roving checkpoints' on Northern Irish border after Brexit transition ends | Ireland | The Times
Brexit has reopened the Irish question | Financial Times
Full Brexit checks risk becoming 'incendiary' in N.Ireland, M&S says | Reuters
Is this what Brexit looks like? Pro-Remain campaigners bring chaos to border town as they set up mock checkpoints between Ireland and Northern Ireland | Daily Mail Online
Irish border: the invisible frontier | New Internationalist
Road closures and checkpoints, Queen Mary, University of London
Dublin to oppose UK requirements for crossing Northern Irish border – POLITICO
A hard Irish border is quite possible, a frictionless one is an oxymoron | LSE BREXIT
Irish border 'checkpoints' put up in Brexit protest | UTV | ITV News
Soldier who shot man dead at Northern Ireland checkpoint to be prosecuted
Where Brexit Meets the Troubles on the Irish Border
No question of a 'soft border' in 1989 - BBC News
Post-Brexit border options for customs - agendaNi
Revealed: Number of border crossings between Northern Ireland and Republic - BelfastTelegraph.co.uk
Road closures and checkpoints, Queen Mary, University of London
Mock soldiers man Irish border checkpoint in Brexit protest | Shropshire Star