Ancient human remains found in a catacomb in Rome belonged to a migrant from northern Africa who grew up along the Nile valley before travelling to the heart of the Roman Empire more than 1700 years ago.

The remains, consisting of only a jawbone fragment with three teeth attached, were found in the Catacombs of Saints Marcellinus and Peter, south-east Rome. They were uncovered in a chamber during a rescue excavation, conducted before a support pillar could be installed....