The Countryside Agency says the 84-mile Hadrian's Wall Path National Trail, from Wallsend to Bowness on Solway, is now proving a massive tourist hit.

BBC: Roman trail proves hit with tourists

But it's an arresting way of highlighting a set of problems arising from Scotland's constitutional debate, and how it could affect the cousins on the warmer side of Hadrian's Wall.

BBC: Mind the gap on the Northern Line