It's also a condition of the Ireland peace agreement that we keep it open. No EU, no peace. We'd have to renegotiate the deal, amongst all the others... And

It's also a condition of the Ireland peace agreement that we keep it open. No EU, no peace. We'd have to renegotiate the deal, amongst all the others... And if we leave it open? All the migrants will just flood through NI. The whole idea that we can control migration by leaving is absurd nonsense.