Mobile customers face roaming charges - in Kent

Sarah Coles
White Cliffs of Dover
White Cliffs of Dover

It has emerged that Brits are facing international roaming charges, for using their phones in a corner of Kent. A geographical anomaly means that locals who turn on their phones - and unsuspecting tourists visiting the area - are greeted with a message welcoming them to France. If they continue to use their phones, they face roaming charges.

So what's going on, and how can this be fair?