Archaeologists believe they have found the first pre-Roman planned town in Britain which reveals Iron Age societies were far more sophisticated than previously thought.

The site, unearthed beneath Silchester near Reading, Berks, and will change the history books after originally thought the Romans were the first to bring civilised life to Britain.

After the Roman invasion, the town was used by its military, and there is evidence that Roman buildings were very swiftly built on top of Iron Age structures....