US singer Ciara has become one of the first public figures to be granted citizenship of Benin, under a new law offering nationality to the descendants of slaves. In an Instagram post the Grammy award-winner said she was "honoured",

Approximately 1.5 million Africans were captured, enslaved, and deported to the New World by Benin's tribal leaders.

The small West African country passed a law last year granting citizenship to those who can trace their lineage to the slave trade.