21 Savage: What we don't know about US rapper

The Grammy-nominated rapper, 21 Savage, has been arrested by immigration officials in the US who say he's actually from the UK and has overstayed his visa.

It was thought the star had been born and raised in Atlanta.

BBC Radio 1 reporter Nesta McGregor looks at what we know - and what we don't - about the artist.

4 February 2019