Members of the group Border Communities Against Brexit were among those who met EU negotiator Michel Barnier in Derry Yesterday.
One group member, John Sheridan, says that if the EU is to retain its integrity, it must have free movement of people.
He also says there also must be respect for the Good Friday Agreement, for animal and environmental health on the island, and for shared responsibility in relation to energy and co-operative scurity.
Mr Sheridan, a farmer, is well aware of the difficulties Brexit would cause in places like the border area, as well as the vital links that exist between north and south:
