The Indian workers were arrested by officers as part of an operation targeting the so-called gig-economy.

Across the county, 171 people were arrested, including 60 who were detained for removal from the UK.

The Home Office has not revealed details of when the arrests were made or the businesses the delivery riders were working for.

In May this year, three delivery drivers were arrested for working illegally in Norwich, with one person detained at an immigration detention centre.

Seven people were........

© Norwich Evening News