He told BBC Radio 4"s Today programme: "It's not just because of the regulations which Northern Ireland would be subject to with the backstop, but also the fact we would have to treat the rest of the United Kingdom as a third country, we would not participate in any trade deals which the United Kingdom may enter into in the future and we would find that there would be a border down the Irish Sea, which would impede trade with our biggest trading partner, namely GB."
Utshele abasohlweni lwaNamuhla lwe-BBC Radio 4: "Ave nje kumayelana nemithethonqubo iNorthern Ireland ezophoqeleka ukuba ilandele i-backstop, kodwa kuphinde kube wukuba kuzodingeka ukuba i-United Kingdom iyonke njengezwe lesithathu, angeke sizibandakanye ezivumelwaneni sokuhweba i-United Kingdom engase ingene kuzo ngomuso futhi sithola ukuthi kuzoba nomngcele ezansi koLwandle lwama-Irish, okungavimba uhwebo lwethu nozakwethu abakhulu bezohwebo, okuyi-GB."