A CCTV warning sign put up by County Donegal Council for Crime Prevention and Pollution is seen on a small back road on the County Derry/Londonderry - County Donegal border in the Irish Republic, Friday, 1st June 2018. Northern Ireland could be given joint EU and UK status and a "buffer zone" on its border with the Republic, under new plans being drawn up by David Davis, according to reports. Photo/Paul McErlane