Gibraltar rocked by Brexit

As the UK negotiates its way to a Brexit resolution, there are concerns in the overseas territory of Gibraltar about what the eventual deal will mean for them. The tiny territory is perched on the edge of Spain and depends on around 12,000 people crossing the border daily to work in its largely service-based economy. So how can the UK negotiate a deal without ceding the territory to Spain? Share Radio's Peta Fuller spoke to two of the people behind a paper on the issue, Jonathan Lis from British Influence and Joe Carberry from Open Britain, and started by asking Mr Carberry how the current relationship works.