How did a young man born 2,000 years ago near what is now southern Russia, end up in the English countryside?

DNA sleuths have retraced his steps while shedding light on a key episode in the history of Roman Britain.

Research shows that the skeleton found in Cambridgeshire is of a man from a nomadic group known as Sarmatians.

It is the first biological proof that these people came to Britain from the furthest reaches of the Roman empire and that some lived in the countryside.