Spain is not allowed to close its border with Gibraltar as long as the territory is part of the EU. But if that changes in June, Spain's acting foreign minister, José Manuel García-Margallo, recently
told Spanish radio that he'll launch talks over Gibraltar's sovereignty..."
http://www.npr.org/sections/parallels/2016/04/12/473992348/for-tiny-gibraltar-theres-a-lot-at-stake-in-the-brexit-vote?utm_medium=RSS&utm_campaign=world
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